SmartWool PhD Outdoor Ultra Light Crew Hiking Sock Size XL Color Black

4 Degree (tm) elite fit system uses two elastics for greater stretch and recovery to keep the sock in place Patent pending ReliaWool (tm) technology in high impact areas provides longer lasting protection to keep feet comfortable Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management Virtually seamless toe 2x1 ribbed welt 1x1 ribbed leg 8.5 overall height Cushioning : Non Cushion Silhouette : Crew Fabric : Merino Wool Content: 52%, Nylon Content: 44%, Elastane Content: 4%, Poly Content: 0%, Acrylic Content: 0% Size XL Color Black