One Billion Thirsty

1Billion Thirsty T-Shirt

Buy A OBT T-Shirt





Men’s Shirts

  • Sizes L, XL and XXL
  • Brand: Hanes ComfortBlend EcoSmart T-shirt
  • 5.2 oz., pre-shrunk 50/50 cotton/polyester
  • Shoulder-to-shoulder taping
  • Double-needle stitched sleeves

Women’s Shirts

  • Sizes S, M and L
  • Brand: Bella Ladies Favorite T
  • 100% combed ringspun cotton
  • Super soft baby jersey knit
  • Short-sleeves with a longer body length
  • Shoulder taping
  • True-to-size

What is 1B?

One Billion Thirsty connects passionate donors, activists and innovators, enabling the best solutions to impact those most in need of clean water.

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Our Work

See Water Studies