Unlike standard wool, these fibres create a breathable barrier that insulates by trapping heat and carrying out sweat to the outside.Key FeaturesHigh-Wicking properties keeps sweat away and keeps your feet dryWater repellent keeps your feet from getting soggyNaturally anti-bacterial prevents your feet from smelling when out on long wet ridesDetails and Materials:Recommended temperature: -4/8 degreesWeight: 45gMain fabric composition: 45% polypropylene, 35% polyamide,Ales size guide can be found here: https://aleclothing.com/sizeguideCare Instructions:Washing machine at 30 degreesDo not use bleachDo not dry clean/ iron/ tumble dryWash similar colours together