SIZE CHART: Small (US 5-6.5); Medium (US 7-9); Large (US 9.5-12) Please Keep in Mind that these waterproof socks are a little thicker than regular socks as they contain three layers of protection, also, that they should not be submerged from the cuff ( top of the waterproof sock ) and above. Waterproof & Breathable - Engineered to excel in wet environments, these weatherproof socks will keep your feet from getting wet. Whether hiking in rainy weather, wading through water, kayaking, fishing, or needing protection from moisture, these ski socks keep your feet dry and comfortable. Temperature Control - These waterproof hiking socks have exceptional temperature control, ensuring your feet stay comfortable during outdoor adventures. They regulate temperature, preventing overheating or chilling and enhancing overall comfort. Moisture Wicking - Our mens and womens waterproof socks work to keep your feet dry in two ways: The first is a waterproof membrane that blocks water from entering your sock. The second way our water resistant socks work is by actively wicking moisture away from your feet. Concept Degrees’ hiking socks mens moisture wicking design repels sweat away from your foot, giving you all day dryness. Low-Profile - These water resistant socks have a discreet appearance, allowing you to wear them in the office or during runs. They are the perfect combination of fashion and convenience, helping you to maintain a polished look. Non-Slip Grip - These thermal waterproof socks for hiking feature a non-slip grip, making them ideal for fishing and navigating wet surfaces. It reduces the risk of accidents by preventing slips and falls. #380,652 in Clothing, Shoes & Jewelry ( ) #531 in