Enhance Your Shoe Fit with These Inner Socks! Innovative Design: Features a slice skin specification on the inside of the ankle. The stretchy, snug material prevents slippage and also keeps water out, offering excellent temperature retention (not completely waterproof). Superior Heat Retention: Made from a supple, stretchy fabric that eliminates stress during wear. Anti-Slip Bottom: Equipped with a honeycomb-patterned rubber print to reduce slippage and improve grip. This minimizes power loss when stepping on surfaces. Material: 2.0mm Neoprene Applicable Sizes: Size CM Inches S 24.0–25.0cm 9.45–9.84" M 25.0–26.0cm 9.84–10.24" L 26.0–27.0cm 10.24–10.63" XL 27.0–28.0cm 10.63–11.02" This is a must-have item for all marine sports enthusiasts! Experience the difference in fit and support when wearing shoes. Made of neoprene, these socks provide a soft, comfortable, and skin-friendly feel. Try them out today for an unbeatable fit and hold!