Hot days will no longer be a problem on your hikes:TREKKING ONE COOL socks are the lightweight version of the revolutionary TREKKING ONE.They combine the comfort and advanced functionality of innovative ZEROCUFF technology with the breathability and lightness of bio-based NATEX yarn.The absence of the cuff ensures better blood circulation for feet that are never swollen or tired even after hours of walking.COOL AIR FLOW technology ensures better air flow on the foot.The 3D protective structures placed at the critical points of the foot and ankle ensure all-round protection:the result? The irreplaceable sock for your adventures.Composition:Polyamide 50% lyocell 47% elastane 3% .Washing Instruction:-Mild process 40°.- Do not bleach.- Do not tumble dry.- Do not iron.- Do not dry clean. Compare prices from: Uyn in Men's Underwear