evo.com | Smartwool Bike Socks > The Smartwool Bike Zero Cushion Ankle Socks are made with responsibly sourced Merino wool for natural odor resistance and temperature regulation. Featuring a 4 Degree(TM) elite fit system, Virtually Seamless(TM) toe, and targeted mesh zones for enhanced breathability, these socks provide the perfect fit and feel for miles of pedal-powered adventures. Zero Cushion 4 Degree(TM) Elite Fit System for a Dialed-in, Performance-Oriented Fit Indestructawool(TM) Technology with Extended Durability Zones 47% Merino Wool / 47% Nylon / 2% Recycled Nylon / 4% Elastane Ankle Height 3.25" | Women's Smartwool Bike Zero Cushion Ankle Socks 2025 - Small in Green | Nylon/Wool/Elastane