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Shop our 100% cotton relaxed fit long sleeve tees featuring designs that celebrate the planet. Made with USA-grown cotton, they’re soft, preshrunk, and perfect for everyday comfort. Wear your cause with Because Tees!
Pumpkin Harvest - Unisex Comfort Colors 100% Cotton Long Sleeve
4.85 / 5.0
944 Reviews
Bigfoot in the Woods - Unisex Comfort Colors 100% Cotton Long Sleeve
Hawksbill Sea Turtle - Eretmochelys imbricata - Unisex Comfort Colors 100% Cotton Long Sleeve
188 Reviews
Ochotona princeps - American Pika - Unisex Comfort Colors 100% Cotton Long Sleeve
945 Reviews
North American Beaver - Castor canadensis - Unisex Comfort Colors 100% Cotton Long Sleeve
Giant Pacific Octopus - Unisex Comfort Colors 100% Cotton Long Sleeve
Baby Sea Turtle - Unisex Comfort Colors 100% Cotton Long Sleeve
Vibrant American Kestrel - Falco sparverius - Unisex Comfort Colors 100% Cotton Long Sleeve
The Wild is Waiting - Unisex Comfort Colors 100% Cotton Long Sleeve
Cats and Plants - Unisex Comfort Colors 100% Cotton Long Sleeve
Heart Full of Blooms and Bees - Unisex Comfort Colors 100% Cotton Long Sleeve
Cute Opossum - Unisex Comfort Colors 100% Cotton Long Sleeve
Save the Bees - Unisex Comfort Colors 100% Cotton Long Sleeve
Ginkgo Biloba - Ginkgo Tree Stem with Leaves - Unisex Comfort Colors 100% Cotton Long Sleeve
Lakeside Canoe - Unisex Comfort Colors 100% Cotton Long Sleeve
Whale Wave - Unisex Comfort Colors 100% Cotton Long Sleeve
Spring Carolina Wrens on a Blooming Crabtree Branch - Unisex Comfort Colors 100% Cotton Long Sleeve
I'll Be In My Office — Garden - Unisex Comfort Colors 100% Cotton Long Sleeve
Chart of Arthropods/Insects - Unisex Comfort Colors 100% Cotton Long Sleeve
Winter Evergreens - Unisex Comfort Colors 100% Cotton Long Sleeve
Winter Cardinals - Unisex Comfort Colors 100% Cotton Long Sleeve
Yellowstone National Park - Unisex Comfort Colors 100% Cotton Long Sleeve
Haliaeetus Leucocephalus - American Bald Eagle - Unisex Comfort Colors 100% Cotton Long Sleeve
Great Smoky Mountains National Park - Unisex Comfort Colors 100% Cotton Long Sleeve
Harmonious Hexagon - Bees, Seas, Trees - Unisex Comfort Colors 100% Cotton Long Sleeve
Marvelous Spatuletail Hummingbird - Unisex Comfort Colors 100% Cotton Long Sleeve
Dahlia Cafe Au Lait - Unisex Comfort Colors 100% Cotton Long Sleeve
Canis lupus - Grey Wolf Howling - Unisex Comfort Colors 100% Cotton Long Sleeve
Hurried Hen - Orpington Chicken - Unisex Comfort Colors 100% Cotton Long Sleeve
Eptesicus fuscus - Big Brown Bat - Unisex Comfort Colors 100% Cotton Long Sleeve
Ephemera Danica - Mayfly - Unisex Comfort Colors 100% Cotton Long Sleeve
Hummingbird with Lillies Heart - Unisex Comfort Colors 100% Cotton Long Sleeve
Manatee - Unisex Comfort Colors 100% Cotton Long Sleeve
Belted Kingfisher - Megaceryle alcyon - Unisex Comfort Colors 100% Cotton Long Sleeve
Vibrant Luna Moth - Actias luna - Unisex Comfort Colors 100% Cotton Long Sleeve
Yosemite National Park - Unisex Comfort Colors 100% Cotton Long Sleeve
Black-tailed Jackrabbit - Lepus californicus - Unisex Comfort Colors 100% Cotton Long Sleeve
Collection of Houseplants - Unisex Comfort Colors 100% Cotton Long Sleeve
Falling Ginkgo Leaves - Unisex Comfort Colors 100% Cotton Long Sleeve
Lone Redwood - Unisex Comfort Colors 100% Cotton Long Sleeve
Common Box Turtle - Terrapene carolina - Unisex Comfort Colors 100% Cotton Long Sleeve
Curious Donkey - Unisex Comfort Colors 100% Cotton Long Sleeve
Bees & Blooms - Honeybees with Wildflowers - Unisex Comfort Colors 100% Cotton Long Sleeve
Bees Seas Trees - Typography - Unisex Comfort Colors 100% Cotton Long Sleeve
Pteropus vampyrus - Large Flying Fox - Unisex Comfort Colors 100% Cotton Long Sleeve
Protect our Pollinators - Unisex Comfort Colors 100% Cotton Long Sleeve
Macrotus californicus - California Leaf-nosed Bat - Unisex Comfort Colors 100% Cotton Long Sleeve
Bellis perennis - The Common Daisy - Unisex Comfort Colors 100% Cotton Long Sleeve
