Features Wicks away sweat - keeps feet dry and fresh. Wow technology in high density impact zones - reduces shock and abrasion. Strategic mesh zones - maximum ventilation. Fabric composition: 70% Merino wool, 28% nylon, 2% elastane Smartwool size guide Size UK Euro Small 2 – 4.5 34 – 37 Medium 5 – 7.5 38 – 41 Large 8 – 10.5 42 – 45 X Large 11 – 13.5 46 – 49
