This 100% waterproof, mid length sock featuring Hydrostop is the perfect barrier for use in wet and warmer weather conditions.Hydrostop provides a more secure fit between the top of the sock and your leg, reducing the chance of water getting through and enabling you to go out and stay out whatever the weatherThree-layer construction for warmth, durability and waterproofingBamboo lining provides moisture control, insulation and comfortStrategically placed elastic zones offer extra supportFlat toe seams prevent rubbing