Features: Make of Neoprenes rubber, which characterised by soft, highly elastics and excellent heat insulation performances. Good insulation of the Neoprenes socks keep you warm in cold water and protects your feet from sharply object. Suitable for quick drying, these socks is perfect for travel, keep your feet dry and comfortable. The soles of this Socks is equipped with nonslip rubber particle and durability fabric, which increases the slip resistance and abrasion resistance of the socks. Simple put on these Neoprenes socks and will feeling safe and comfortable even when you run in sand, rough conditions. Specifications: Materials: Neoprene Size: XS/Small/M/L Size:XS Bottom Length:20cm(7.87inch) Height:17cm(6.69inch) Sock Mouth:18cm(7.09inch) Size:S Bottom Length:21cm(8.27inch) Height:18cm(7.09inch) Sock Mouth:19.50cm(7.68inch) Size:M Bottom Length:22cm(8.66inch) Height:19cm(7.48inch) Sock Mouth:21.50cm(8.46inch) Size:L Bottom Length:23cm(9.06inch) Height:20cm(7.87inch) Sock Mouth:22cm(8.66inch) Package Includes: 1pair Neoprenes Socks note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.