Sealskinz Waterproof All Weather Mid Length Socks with Hydrostop The sock that started it all, our Waterproof All Weather Mid Length Socks with Hydropstop are designed to keep you dry and comfortable during a wide range of temperatures. Our Waterproof All Weather Socks provide the right balance of warmth, breathability and waterproof protection making them perfect for brisk autumn mornings, late summer runs, or spring hikes. Wet feet can lead to all sorts of issues outdoors including blisters, numbness and worse. Sealskinz All Weather Waterproof Socks will keep you dry, protected, and comfortable through rain puddles and muddy terrain, rainy walks with the dog, or even standing in leaky waders. With more 4-way stretch than any waterproof sock on the market, you can be sure that you'll benefit from a close fit as well as superior comfort. Using a unique hydrophilic waterproof membrane and a three layer construction, the Waterproof All Weather Mid Length Socks are incredibly breathable since the membrane moves moisture away from the skin at the molecular level using osmosis. This means our waterproof socks keep you comfortable and dry no matter what conditions you come across. You'll also be sure to benefit from a close fit as well as superior comfort with more 4-way stretch than any waterproof sock on the market. The addition of our unique Hydrostop technology creates a barrier to water ingress providing a secure fit between your leg and the sock. Using a silicone free elastic taping, the sock cuff is closer to skin reducing the risk of water running down your leg. The soft taping has elastic properties that makes the waterproof sock with Hydrostop a natural fit that stays secure during all sorts of activities outdoors. The hand closed flat toe seams ensure chafe-free wearing, and the premium merino wool interior feels soft against the skin, delivering insulation, moisture control and comfort.