Featuring Light Elite cushioning, these socks contain targeted cushioning placed only where runners need it most, on the ball and heel of the foot. We packed these socks chock full of smart features like our 4 Degree elite fit system, women's-specific mesh ventilation zones, and a virtually seamless toe. A low cut height is that ideal balance of protection and style.57% Merino Wool, 40% Nylon, 3% Elastane4 Degree™, elite fit system uses two elastics for greater stretch and recovery. Narrower profile provides perfect women's-specific run fit.Patented ReliaWool™, technology in high impact areas increases durabilityMesh ventilation zones designed around a womans foot.Virtually seamless toe200 needle construction provides high-density cushioning while maintaining light weight2.25" overall height