Lambda Chi Alpha Performance Crew Sock w/ Crest 6% rubber One Pair of Lambda Chi Alpha Performance Crew Socks 60% Polyester / 25% Polypropylene / 10% Spandex / 6% Rubber - Antimicrobial - Moisture wicking Arch support and air vents for comfort and breathability Available in sizes Small, Medium, Large, and XLarge (see sizing instructions below) Show your support for Lambda Chi Alpha with these vintage designed socks