**This sale includes TWO PAIRS OF SOCKS!** Colors are Blue and Black. 💙🖤 Unisex Medium: Men’s Size 7-9 Women’s Size 8.5-10.5 EU Size 40-42.5 The Aireator is the sock that started DeFeet, designed in 1992 as the first sport sock with an open mesh weave instep for breathability and moisture wicking. Lightweight and durable, the Aireator provides additional compression in the ankle zone to prevent slipping. This sock has a close fit in performance sports and the fiber blend includes Repreve®, a recycled performance polyester locally manufactured from recycled plastic bottles, reducing landfill waste. Perfect condition, brand new in original packaging! Offers welcome, bundle and save 10%! 😊 *Running *Cycling