The Sport sock is an updated athletic version of the 2UNDR 70 performance sock. It’s designed at a 70-degree angle to promote the optimal flex angle for comfort and performance in most activities—outside the bedroom. The grip points have been removed for a more casual performance sock. Now made with a cotton blend for increased breathability and softness 50% Polyester | 30% Cotton | 15% Acrylic | 5% Spandex Features: Seamless toe closure Compression arch support Targeted ventilation Deep heel pocket Cotton blend One size (Men’s 9–12) *Delivery times for Saxx products may vary between 5 to 10 business days.