Stay-in-place design keeps the sock in place and will not allow it to slip down into your shoe. Light compression around the arch helps stop rubbing and pulling and silicone dot grips the heel. No stink with the spiral woven mesh air-vent top panel, making them breathable and moisture-wicking. Seamless toe and anatomical left and right foot design is shaped to fit your feet for a custom fit. Made with highest quality micro-nylon fabric ensures the perfect fit and enhances longevity of the product. The OS1st Nekkid Comfort Socks are so low "it's like you're naked" with three zones of stay-in-place technology, a spiral-woven mesh air vent top panel, and moisture-wicking, ultra-soft nylon and spandex materials. The socks will keep the stink away and are perfect for everyday comfort, fashion, and performance footwear. The compression and the silicone gel dot keeps these socks in place, keeping them from slipping down into your shoe. They are designed to hug the bottom of your heel and provide light compression around the arch to stop rubbing and blisters. Anatomically designed, the socks are left and right foot specific for a more custom fit. To ensure you are getting the best fit, please refer to our sizing chart.