Gaiters are a standard piece of equipment for many hikers. They protect the lower leg area ofultralight trousers, help keep shoes dry by directing water that runs down, and also work in snowy conditions. The gaiters are extremely quick to put on when needed, thanks to the fully open front. - Made of 70D polyamide fabric with Gore-Tex ePE membrane, 133g/m² - Three layer structure - Toe hook attaches to shoelaces - Foot loop - Ankle reinforcements - Drawstring at the top Choose the size according to your shoe size: - S = 37 - 39 / UK 4 - 6 - M = 40,5 - 43 / UK 7 - 9 - L = 44,5 - 47+ / UK10 - 12+ The new Gore-Tex ePE membrane does not contain any PTFE, which is what the original Gore-Tex was based on, but is a much more common and problem-free polyethylene plastic, complete with a bit of polyurethane.