The Pure Athlete Recycled Yarn Socks are ultra comfortable socks. They contain 52% recycled polyester, made from post-consumer PET water bottles. Moisture wicking material ensures that perspiration doesn't build up in the socks. Use the socks while walking, running, jogging, working out, or just for everyday wear.

• MADE FROM RECYCLED MATERIALS: The recycled yarn socks are made from recycled yarns manufactured from used PET bottles. The athletic recycled yarn socks are especially engineered to effectively preserve natural resources and decrease environmental encumbrance while maintaining a top level of performance, quality and comfort.
• CUSHIONED ANTI-BLISTER TECHNOLOGY, MOISTURE WICKING: A cushioned heel and toe prevents blisters. A seamless toe prevents irritation. The moisture wicking properties wick away perspiration, keeping the merino wool running socks light and dry. Anti-odor technology prevents the buildup of stink.
• TRUE NO SHOW WITH TAB, SEAMLESS TOE: A no-slip tab prevents the sport socks from slipping or sliding into your running shoes. The light material allows the socks to fit comfortably in shoes without altering the fit. The athletic socks feature a seamless toe, which prevents chafing and blisters.
• MOISTURE WICKING: The running socks feature advanced moisture wicking technology to keep feet light and dry. The socks will remain light, dry, and free from perspiration so you can enjoy your long runs. Anti-odor technology prevents the buildup of stink.
• BUY FROM A TRUSTED AMERICAN COMPANY: At Pure Athlete, we are experts in socks. We are manufacturers of many of the bestselling running, hiking, and ski socks. Don’t take our word for it, read our customer reviews and try our running socks. We know you will love them or your money back. We back all our products by a 100% satisfaction money back guarantee.
  

Recycled Yarn Socks Size Chart (US shoe size):

Mens
Small: US 5-8.5
Medium: US 9-11
Large: US 11.5 - up

Womens:
Small: US 6 - 8
Medium: US 8.5 - 10
Large: US 10.5 - up