This is SealSkinz original 100% waterproof mid length sock featuring Hydrostop. It has a thinner more breathable construction as compared to its cold weather specific siblings. This makes it the perfect barrier for use in warm and wet weather conditions. Such as a rainy British summer for example? Key FeaturesWaterproof - 100% Waterproof and windproof without compromising breathability Comfort - Bamboo lining for moisture control, insulation and comfort with flat seams in the toe to reduce friction Support - Zonal elastication for added support Hydrostop Water Defence - SealSkinz Hydrostop technology creates a seal between the sock cuff and skin, helping to reduce the amount of water from running down the leg and into the sock About SealSkinzBorn in the UK in 1996, SealSkinz purpose remains to combat extremes in weather and enable you to enjoy the outdoors. They have a proud British heritage with their global HQ and manufacturing facility based in the Great British town of King\\\'s Lynn Norfolk, UK. SealSkinz craft products that look like any other, but are completely different in every way. They achieve this by obsessively innovating technologies which offer both dry performance and next to skin comfort. Their products have battled every terrain across the globe for over 20 years and remain at the forefront of innovation technology. Their range of knitted products are crafted individually by hand for the highest quality finish, right here in the UK. SealSkinz commitment to the quality of their products is so high that they do not rely on spot checking. Instead testing every single item by hand so that they last a lifetime! SealSkinz Overshoes and Socks SizingSMLXLUK Shoes Size3-56-89-1112-14 Cycling Socks Buying Guide