Every item shows its fiber content label.

Kids' 100% Cotton T-Shirts590 items

Kids' and baby T-shirts whose fiber content is all cotton. Organic and recycled cotton count as cotton. Every item shows its full fiber content, and the list updates as brands add and sell out of styles.

Fibers: 100% Organic Cotton
Long Sleeve River TeeNature Baby$24
Sizes: 6–12M, 1Y, 2Y, 3Y, 4Y, 5Y
Fibers: 100% Cotton
Pima Cotton Wesley TeeJamie Kay$26.99
Color: Double Stripe Hay/CloudSizes: 0–3M – 8Y
Fibers: 100% Cotton
Short Sleeve TeeDL1961Sale price $32, was $42
Color: Heather GreySizes: S, M, L, 2/3, 4/5, 6/6X
Fibers: 100% Organic Cotton
Mini Organic Cotton Classic TeeMATE the Label$28
Color: BONESizes: 0/6m, 6/12m, 12/18m
Fibers: 100% Cotton
Kids' Vintage Pocket TeeJenni Kayne$65
Sizes: 2-3, 4-5, 6-8, 9-10, Baby
Fibers: 100% Organic Cotton
Long Sleeve Baseball TeeKate Quinn$28Color: Aqua Granny FloralSizes: 2T–8Y
Fibers: 100% Organic Cotton
Miles Long Sleeve Raglan Ringer TeeColored Organics$30
Color: Bluen ComboSizes: 6–12M – 5T–6T
Fibers: 100% Cotton
Fraise Embroidery TeeMightly$15Sizes: 2T–3T, XS, S, M, XL
Fibers: 100% Organic CottonFiber content varies by color
Kids’ Midweight T-ShirtPANGAIA$65
Color: BlackSizes: 3–4Y, 5–6Y, 7–8Y, 9–10Y, 11–12Y
Fibers: 100% Organic Cotton
It's Lake Ontario Kids Cloud TeeMini Mioche$48Color: Heather CharcoalSizes: 1–2Y, 3–4Y, 5–6Y, 7–8Y, 9–10Y
Fibers: 100% Cotton
Long Sleeve Tee + Pant Set MushroomsRylee + Cru$55Sizes: 0–3M, 3–6M, 6–12M, 12–18M, 18–24M, 2–3Y
Fibers: 100% Organic Cotton
Organic French Terry Tee & Shorties SetL'ovedbaby$52
Color: IndigoSizes: 0–3M, 9–12M
Fibers: 100% Cotton
Neon Superstitch T-shirtBoden$37
Color: Bluejay Monster TruckSizes: 2–3Y – 11–12Y
Fibers: 100% Organic Cotton
Snow Goggles Boy TeeBurt's Bees Baby$12.95Sizes: 0–3M – 5T
Fibers: 100% Cotton
Kids Abby teePrimarySale price $13.50, was $19.50Color: blossom-abbySizes: 1–12
Fibers: 100% Organic Cotton
Youth Unisex TeeKnown Supply$26
Color: BlackSizes: XS, S, M, L, XL
Fibers: 100% Organic Cotton
Kids Clean Crewneck T-shirtIndustry of All Nations$35
Color: Indigo 12Sizes: 2/3, 4/5, 6/7
Fibers: 100% Organic Cotton
Little Kids Sunwashed Regenerative Pocket TeeFaherty$38
Color: Dune NavySizes: 4, 5, 6, 7
Fibers: 100% Cotton
Chippy the Bulldog Layered TeeTea CollectionSale price $29.99, was $37Color: CloudSizes: 2–16
Fibers: 100% Organic Cotton
Waffle TeeNature Baby$28
Sizes: 6–12M, 1Y, 2Y, 3Y
Fibers: 100% Organic Cotton
Organic Cotton Rib Helene TeeJamie Kay$26.99Color: ParchmentSizes: 1Y–14Y
Fibers: 100% Organic Cotton
Long Sleeve Peter Pan TeeKate Quinn$28
Color: Ginger Teddy BearSizes: 12–18M – 8Y
Fibers: 100% Organic Cotton
Reef Long Sleeve Henley - Peak / IvoryColored Organics$28Color: Peak Ivory / Indigo + BluenSizes: 6–12M – 5T–6T
Fibers: 100% Organic Cotton
Kids Organic Cotton Long Sleeve Tee 2-PackMightly$36.95
Color: Blue GalaxySizes: 4T–XXL