Where are you browsing from today?

USA flag

US
EU / UK

Ethical Clothing
USA flag

Sustainable Kids Cotton Underwear

Shop for kids cotton underwear from the top ethical and sustainable clothing brands in the United States

227 Products | Page 2 of 5

Page 2 of 5

Sort By:

Commissions may be paid to Ethical Clothing when purchasing items with our partner brands.
New Without Tags Boxers size: 14 Years
Mightly
New Without Tags Boxers size: 14 Years
  • 25.00
Leggings - Submarines Blue & Orange
Winter Water Factory
Leggings - Submarines Blue & Orange
  • 32.00
New Without Tags Leggings size: 6-7 Years
Mightly
New Without Tags Leggings size: 6-7 Years
  • 14.00
Strawberry Swing Bodysuit - FINAL SALE
Mightly
Strawberry Swing Bodysuit - FINAL SALE
  • 17.50
  • 35.00
New Without Tags Leggings size: 6-14 Years
Mightly
New Without Tags Leggings size: 6-14 Years
  • 15.00
slim leggings | wine
Figge
slim leggings | wine
  • 11.00
  • 35.00
Leggings - Solid Sage
Winter Water Factory
Leggings - Solid Sage
  • 32.00
Bloomers - Solid Meadow Green
Winter Water Factory
Bloomers - Solid Meadow Green
  • 29.00
Bloomers - Solid Lake Blue
Winter Water Factory
Bloomers - Solid Lake Blue
  • 29.00
Organic Cotton Kids Bikini Underwear - 3 Pack
Mightly
Organic Cotton Kids Bikini Underwear - 3 Pack
  • 29.95
Bloomers - Mushrooms Sage
Winter Water Factory
Bloomers - Mushrooms Sage
  • 29.00
Leggings - Berries Red & Grey
Winter Water Factory
Leggings - Berries Red & Grey
  • 32.00
Leggings - Deer & Foxes Night Sky
Winter Water Factory
Leggings - Deer & Foxes Night Sky
  • 32.00
All-Day Leggings
Mightly
All-Day Leggings
  • 40.00
New Without Tags Leggings size: 8 Years
Mightly
New Without Tags Leggings size: 8 Years
  • 22.00
Organic Cotton Girls Bras 3 Pack: Comfortable Bralettes
Mightly
Organic Cotton Girls Bras 3 Pack: Comfortable Bralettes
  • 32.95
New Without Tags Leggings size: 6-14 Years
Mightly
New Without Tags Leggings size: 6-14 Years
  • 11.00
Leggings - Cat Friends Gold & Yellow
Winter Water Factory
Leggings - Cat Friends Gold & Yellow
  • 32.00
Shooting Star Leggings - FINAL SALE
Mightly
Shooting Star Leggings - FINAL SALE
  • 10.80
  • 27.00
New Without Tags Leggings size: 6Y - 14 Years
Mightly
New Without Tags Leggings size: 6Y - 14 Years
  • 11.00
New Without Tags Leggings size: 6-14 Years
Mightly
New Without Tags Leggings size: 6-14 Years
  • 11.00
New Without Tags Leggings size: 8 Years
Mightly
New Without Tags Leggings size: 8 Years
  • 19.00
Leggings - Submarines Navy & Blue
Winter Water Factory
Leggings - Submarines Navy & Blue
  • 32.00
New Without Tags Boxers size: 6-7 Years
Mightly
New Without Tags Boxers size: 6-7 Years
  • 18.00
Leggings - Treehouses Green
Winter Water Factory
Leggings - Treehouses Green
  • 32.00
Organic Cotton Reinforced Knee Legging 2-Pack
Mightly
Organic Cotton Reinforced Knee Legging 2-Pack
  • 36.95
New Without Tags Leggings size: 3T
Mightly
New Without Tags Leggings size: 3T
  • 14.00
Bloomers - Daisies Blue
Winter Water Factory
Bloomers - Daisies Blue
  • 29.00
Leggings - Celestial Navy
Winter Water Factory
Leggings - Celestial Navy
  • 32.00
Bloomers - Solid Forest Green
Winter Water Factory
Bloomers - Solid Forest Green
  • 29.00
Leggings - Solid Surf Blue
Winter Water Factory
Leggings - Solid Surf Blue
  • 32.00
Organic Cotton Underwear - Boy Cut
Go Gently Nation
Organic Cotton Underwear - Boy Cut
  • 16.00
Leggings - Moles Blue
Winter Water Factory
Leggings - Moles Blue
  • 32.00
Organic Cotton Underwear - Boy Cut
Go Gently Nation
Organic Cotton Underwear - Boy Cut
  • 16.00
Flutter Sleeve Bodysuit
Mightly
Flutter Sleeve Bodysuit
  • 23.00
Organic Cotton Reinforced Knee Legging 2-Pack: FINAL SALE
Mightly
Organic Cotton Reinforced Knee Legging 2-Pack: FINAL SALE
  • 19.95
  • 39.90
Leggings - Wildcats Navy
Winter Water Factory
Leggings - Wildcats Navy
  • 32.00
Leggings - Dreaming Tigers Green
Winter Water Factory
Leggings - Dreaming Tigers Green
  • 32.00
Leggings - Trains Blue
Winter Water Factory
Leggings - Trains Blue
  • 32.00
Leggings - Trees Dark Green
Winter Water Factory
Leggings - Trees Dark Green
  • 32.00
Leggings - Firetrucks Red
Winter Water Factory
Leggings - Firetrucks Red
  • 32.00
Bloomers - Turtles Green
Winter Water Factory
Bloomers - Turtles Green
  • 29.00
New Without Tags Leggings size: 14 Years
Mightly
New Without Tags Leggings size: 14 Years
  • 19.00
Organic Cotton Long Sleeve Bodysuit - Rocking Horse
Tonle
Organic Cotton Long Sleeve Bodysuit - Rocking Horse
  • 24.00
Leggings - Turtles Green
Winter Water Factory
Leggings - Turtles Green
  • 32.00
New Without Tags Leggings size: 14 Years
Mightly
New Without Tags Leggings size: 14 Years
  • 24.00
New Without Tags Leggings size: 8 Years
Mightly
New Without Tags Leggings size: 8 Years
  • 14.00
Leggings - Chicken Family Yellow
Winter Water Factory
Leggings - Chicken Family Yellow
  • 32.00

Why buy cotton underwear ?

Kids cotton underwear is designed to provide the utmost comfort and breathability for your child. Our selection of kids cotton undies come in a variety of styles, from briefs and hipsters to boxers and boxer-briefs, all made with 100% soft and lightweight organic cotton fabric that's gentle on sensitive skin. The smooth waistband provides a snug fit without bunching or pinching, while the tagless design eliminates any potential irritation. All our kids' undergarments are durable enough for everyday wear yet still feel light as air against their skin. With so many colors, patterns, sizes, and styles available – there’s something for every kid!

Filter By

Bras (3)
Leggings (143)
Kids (227)
All
Underwear (227)
All
Bamboo (1)
Cotton (34)
Organic-Cotton (192)
All
Crann (3)
Figge (4)
Go Gently Nation (11)
Mightly (81)
Soor Ploom (11)
Tonle (6)
Winter Water Factory (111)
Sales only
Ethical Clothing Logo Be the first to know when North America's top ethical brands are on sale, sign up to our newsletter here