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Unisex Lightweight 100% Cotton T-Shirts

Soft, breathable, and built for everyday wear. Shop unisex lightweight 100% cotton t-shirts that plant trees with every purchase.

Unisex Lightweight 100% Cotton T-Shirts

Soft, breathable, and built for everyday wear. Shop unisex lightweight 100% cotton t-shirts that plant trees with every purchase.

Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of backyard birds, including a cardinal, blue jay, goldfinch and robin, perched on bare branches.
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of backyard birds, including a cardinal, blue jay, goldfinch and robin, perched on bare branches.
Backyard Birds Gathering - Lightweight 100% Cotton Unisex Crewneck

Backyard Birds Gathering

from $35.99

Backyard Birds Gathering from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a round badge of Half Dome and pine trees, with the words Yosemite National Park, Est. 1890.
Blue bell lightweight cotton t-shirt laid flat, printed with a round badge of Half Dome and pine trees, with the words Yosemite National Park, Est. 1890.
Yosemite National Park - Lightweight 100% Cotton Unisex Crewneck

Yosemite National Park

from $35.99

Yosemite National Park from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a capybara sitting and facing forward.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a capybara sitting and facing forward.
Capybara - Hydrochoerus hydrochaeris - Lightweight 100% Cotton Unisex Crewneck

Capybara

from $35.99

Capybara from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with a black ink bee with a heart pattern on its body.
Autumn lightweight cotton t-shirt laid flat, printed with a black ink bee with a heart pattern on its body.
Bee Love - Lightweight 100% Cotton Unisex Crewneck

Bee Love

from $35.99

Bee Love from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a monarch butterfly with its wings spread.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a monarch butterfly with its wings spread.
Danaus plexippus - Monarch Butterfly - Lightweight 100% Cotton Unisex Crewneck

Danaus plexippus

from $35.99

Danaus plexippus from $35.99
Leaf green lightweight cotton t-shirt laid flat, printed with black line art of three simple pine trees above horizontal lines.
Leaf green lightweight cotton t-shirt laid flat, printed with black line art of three simple pine trees above horizontal lines.
Three Trees - Lightweight 100% Cotton Unisex Crewneck

Three Trees

from $35.99

Three Trees from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with bold black words reading Protect Our Pollinators beside a monarch butterfly.
Autumn lightweight cotton t-shirt laid flat, printed with bold black words reading Protect Our Pollinators beside a monarch butterfly.
Protect our Pollinators - Lightweight 100% Cotton Unisex Crewneck

Protect our Pollinators

from $35.99

Protect our Pollinators from $35.99
Vintage denim lightweight cotton t-shirt laid flat, printed with the word POP in thin black letters inside a rectangle outline.
Vintage denim lightweight cotton t-shirt laid flat, printed with the word POP in thin black letters inside a rectangle outline.
Pop Boxed - Lightweight 100% Cotton Unisex Crewneck

Pop Boxed

from $35.99

Pop Boxed from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a bare twisted tree on a small island with ravens flying around it.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a bare twisted tree on a small island with ravens flying around it.
Twisted Tree with Ravens - Lightweight 100% Cotton Unisex Crewneck

Twisted Tree with Ravens

from $35.99

Twisted Tree with Ravens from $35.99
Sage green lightweight cotton t-shirt laid flat, printed with a black ink illustration of a tall pine tree beside a small tent on a hill.
Sage green lightweight cotton t-shirt laid flat, printed with a black ink illustration of a tall pine tree beside a small tent on a hill.
Pine Camp Vista - Lightweight 100% Cotton Unisex Crewneck

Pine Camp Vista

from $35.99

Pine Camp Vista from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with bold black line art of ten simple pine trees above horizontal lines.
Blue bell lightweight cotton t-shirt laid flat, printed with bold black line art of ten simple pine trees above horizontal lines.
Grove De Diez - Lightweight 100% Cotton Unisex Crewneck

Grove De Diez

from $35.99

Grove De Diez from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a grey wolf's head and shoulders, howling upward.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a grey wolf's head and shoulders, howling upward.
Canis lupus - Grey Wolf Howling - Lightweight 100% Cotton Unisex Crewneck

Canis lupus

from $35.99

Canis lupus from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a queen honey bee, seen from above.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a queen honey bee, seen from above.
Queen Bee Apis Mellifera - Lightweight 100% Cotton Unisex Crewneck

Queen Bee Apis Mellifera

from $35.99

Queen Bee Apis Mellifera from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of large green Monstera leaves filling a square.
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of large green Monstera leaves filling a square.
Monstera Vibes - Lightweight 100% Cotton Unisex Crewneck

Monstera Vibes

from $35.99

Monstera Vibes from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a barn owl standing and facing forward.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a barn owl standing and facing forward.
Barn Owl - Tyto alba - Lightweight 100% Cotton Unisex Crewneck

Barn Owl

from $35.99

Barn Owl from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a Dungeness crab with claws raised, seen from above.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a Dungeness crab with claws raised, seen from above.
Dungeness Crab - Lightweight 100% Cotton Unisex Crewneck

Dungeness Crab

from $35.99

Dungeness Crab from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a round black ink scene of a waterfall, pine trees and a river, with the words The Wild Is Waiting.
Blue bell lightweight cotton t-shirt laid flat, printed with a round black ink scene of a waterfall, pine trees and a river, with the words The Wild Is Waiting.
The Wild is Waiting - Lightweight 100% Cotton Unisex Crewneck

The Wild is Waiting

from $35.99

The Wild is Waiting from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink line drawing of a single common daisy flower.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink line drawing of a single common daisy flower.
Bellis perennis - The Common Daisy - Lightweight 100% Cotton Unisex Crewneck

Bellis perennis

from $35.99

Bellis perennis from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink sketch of a belted kingfisher perched on a branch.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink sketch of a belted kingfisher perched on a branch.
Belted Kingfisher - Megaceryle alcyon - Lightweight 100% Cotton Unisex Crewneck

Belted Kingfisher

from $35.99

Belted Kingfisher from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a humpback whale swimming inside a curling ocean wave.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a humpback whale swimming inside a curling ocean wave.
Whale Wave - Lightweight 100% Cotton Unisex Crewneck

Whale Wave

from $35.99

Whale Wave from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a big brown bat hanging upside down.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a big brown bat hanging upside down.
Eptesicus fuscus - Big Brown Bat - Lightweight 100% Cotton Unisex Crewneck

Eptesicus fuscus

from $35.99

Eptesicus fuscus from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a ginkgo branch with fan-shaped leaves.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a ginkgo branch with fan-shaped leaves.
Ginkgo Biloba - Ginkgo Tree Stem with Leaves - Lightweight 100% Cotton Unisex Crewneck

Ginkgo Biloba

from $35.99

Ginkgo Biloba from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a kayak with a paddle, seen from above.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a kayak with a paddle, seen from above.
Kayak - Lightweight 100% Cotton Unisex Crewneck

Kayak

from $35.99

Kayak from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art hexagon holding a bee, ocean waves and pine trees.
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art hexagon holding a bee, ocean waves and pine trees.
Harmonious Hexagon - Bees, Seas, Trees - Lightweight 100% Cotton Unisex Crewneck

Harmonious Hexagon

from $35.99

Harmonious Hexagon from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a Pacific seahorse with its tail curled.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a Pacific seahorse with its tail curled.
Hippocampus ingens - Pacific Seahorse - Lightweight 100% Cotton Unisex Crewneck

Hippocampus ingens

from $35.99

Hippocampus ingens from $35.99
Dusty blue lightweight cotton t-shirt laid flat with the sleeves rolled, printed with a full-color illustration of cats lounging among potted houseplants.
Dusty blue lightweight cotton t-shirt laid flat with the sleeves rolled, printed with a full-color illustration of cats lounging among potted houseplants.
Cats and Plants - Lightweight 100% Cotton Unisex Crewneck

Cats and Plants

from $35.99

Cats and Plants from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a red panda sitting with its striped tail wrapped around.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a red panda sitting with its striped tail wrapped around.
Red Panda - Ailurus fulgens styani - Lightweight 100% Cotton Unisex Crewneck

Red Panda

from $35.99

Red Panda from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art design of three hexagons holding a bee, an ocean wave and a pine tree.
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art design of three hexagons holding a bee, an ocean wave and a pine tree.
Bee-Sea-Tree Triptych - Lightweight 100% Cotton Unisex Crewneck

Bee-Sea-Tree Triptych

from $35.99

Bee-Sea-Tree Triptych from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a large flying fox bat hanging upside down with its wings wrapped around it.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a large flying fox bat hanging upside down with its wings wrapped around it.
Pteropus vampyrus - Large Flying Fox - Lightweight 100% Cotton Unisex Crewneck

Pteropus vampyrus

from $35.99

Pteropus vampyrus from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of pink and white dogwood blossoms on a branch.
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of pink and white dogwood blossoms on a branch.
Flowering Dogwood - Cornus florida - Lightweight 100% Cotton Unisex Crewneck

Flowering Dogwood

from $35.99

Flowering Dogwood from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with a black ink opossum tangled in a string of colorful holiday lights.
Autumn lightweight cotton t-shirt laid flat, printed with a black ink opossum tangled in a string of colorful holiday lights.
Christmas Opossum - Lightweight 100% Cotton Unisex Crewneck

Christmas Opossum

from $35.99

Christmas Opossum from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a capybara standing in profile.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a capybara standing in profile.
Capybara Profile - Hydrochoerus hydrochaeris - Lightweight 100% Cotton Unisex Crewneck

Capybara Profile

from $35.99

Capybara Profile from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a wide-eyed baby opossum sitting.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a wide-eyed baby opossum sitting.
Cute Opossum - Lightweight 100% Cotton Unisex Crewneck

Cute Opossum

from $35.99

Cute Opossum from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art circle connecting pine trees, mountains, a bee and two Maui dolphins leaping from the waves.
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art circle connecting pine trees, mountains, a bee and two Maui dolphins leaping from the waves.
It's All Connected - Maui Dolphins - Lightweight 100% Cotton Unisex Crewneck

It's All Connected

from $35.99

It's All Connected from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of the windswept Lone Cypress tree on a rocky outcrop.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of the windswept Lone Cypress tree on a rocky outcrop.
The Lone Cypress - Cupressus Macrocarpa - Monterey Cypress - Lightweight 100% Cotton Unisex Crewneck

The Lone Cypress

from $35.99

The Lone Cypress from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with a full-color collection of potted houseplants in different pots.
Autumn lightweight cotton t-shirt laid flat, printed with a full-color collection of potted houseplants in different pots.
Collection of Houseplants - Lightweight 100% Cotton Unisex Crewneck

Collection of Houseplants

from $35.99

Collection of Houseplants from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a canoe resting on the shore of a lake with pine trees on a small island.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a canoe resting on the shore of a lake with pine trees on a small island.
Lakeside Canoe - Lightweight 100% Cotton Unisex Crewneck

Lakeside Canoe

from $35.99

Lakeside Canoe from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a round badge of mountains, pine trees and a black bear, with the words Great Smoky Mountains National Park, Est. 1934.
Blue bell lightweight cotton t-shirt laid flat, printed with a round badge of mountains, pine trees and a black bear, with the words Great Smoky Mountains National Park, Est. 1934.
Great Smoky Mountains National Park - Lightweight 100% Cotton Unisex Crewneck

Great Smoky Mountains National Park

from $35.99

Great Smoky Mountains National Park from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a northern giraffe reaching its head up to nibble a flower.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a northern giraffe reaching its head up to nibble a flower.
Northern Giraffe - Giraffa camelopardalis - Lightweight 100% Cotton Unisex Crewneck

Northern Giraffe

from $35.99

Northern Giraffe from $35.99
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of two wrens perched on a branch of pink spring blossoms.
Autumn lightweight cotton t-shirt laid flat, printed with a full-color illustration of two wrens perched on a branch of pink spring blossoms.
Spring Carolina Wrens on a Blooming Crabtree Branch - Lightweight 100% Cotton Unisex Crewneck

Spring Carolina Wrens on a Blooming Crabtree Branch

from $35.99

Spring Carolina Wrens on a Blooming Crabtree Branch from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink sketch of an American woodcock standing on the ground.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink sketch of an American woodcock standing on the ground.
American Woodcock - Scolopax minor - Lightweight 100% Cotton Unisex Crewneck

American Woodcock

from $35.99

American Woodcock from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a seven-spot ladybird beetle.
Blue bell lightweight cotton t-shirt laid flat, printed with a detailed black ink illustration of a seven-spot ladybird beetle.
Coccinella septempunctata - Seven-spot Ladybird Ladybug - Lightweight 100% Cotton Unisex Crewneck

Coccinella septempunctata

from $35.99

Coccinella septempunctata from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink monarch butterfly inside a circle, beneath a line of moon phases.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink monarch butterfly inside a circle, beneath a line of moon phases.
Monarch Symmetry - Lightweight 100% Cotton Unisex Crewneck

Monarch Symmetry

from $35.99

Monarch Symmetry from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a curious donkey's head with tall ears.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of a curious donkey's head with tall ears.
Curious Donkey - Lightweight 100% Cotton Unisex Crewneck

Curious Donkey

from $35.99

Curious Donkey from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art bee inside a heart outline.
Blue bell lightweight cotton t-shirt laid flat, printed with a black line art bee inside a heart outline.
Bee Heart Icon - Lightweight 100% Cotton Unisex Crewneck

Bee Heart Icon

from $35.99

Bee Heart Icon from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of two tall pine trees beside a golf green with a flag.
Blue bell lightweight cotton t-shirt laid flat, printed with a black ink illustration of two tall pine trees beside a golf green with a flag.
Playing Through the Pines - Lightweight 100% Cotton Unisex Crewneck

Playing Through the Pines

from $35.99

Playing Through the Pines from $35.99
Mauve pink lightweight cotton t-shirt laid flat with the sleeves rolled, printed with a black ink bear's face wearing sunglasses that read Mama Bear.
Mauve pink lightweight cotton t-shirt laid flat with the sleeves rolled, printed with a black ink bear's face wearing sunglasses that read Mama Bear.
Mama Bear - Lightweight 100% Cotton Unisex Crewneck

Mama Bear

from $35.99

Mama Bear from $35.99
Blue bell lightweight cotton t-shirt laid flat, printed with a heart shape filled with black ink potted houseplants.
Blue bell lightweight cotton t-shirt laid flat, printed with a heart shape filled with black ink potted houseplants.
Heart Full of House Plants - Lightweight 100% Cotton Unisex Crewneck

Heart Full of House Plants

from $35.99

Heart Full of House Plants from $35.99

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