STRETCHY, MOISTURE-ABSORBING TIGHTS MADE FROM RECYCLED MATERIALS. Live with intention. Our choices make a difference. And those actions cause a ripple, no matter how big or how small. When you pull on these adidas by Stella McCartney training tights, you're not just making a commitment to yourself, but a commitment to our planet. Crafted entirely of recycled materials, they are part of adidas' effort to help end plastic waste.