Smartwool Ski Zero Cushion Logo OTC Features: Indestructawool™ technology for enhanced durability 4 Degree™ elite fit system for a dialed-in, performance-oriented fit Shred Shield™ technology reduces wear from toes Wider welt for secure fit and comfort Body-mapped mesh zones for added breathability Weight: 0.146 lbs 55% Merino Wool 10% Nylon 31% Recycled Nylon 4% Elastane Ski Zero Cushion Logo OTC