Shirring processing and Velcro straps have been treated to increase the usability and heat retention, and the Velcro strap provides a secure fit. The back of the left and right hand material is made with elastic 0.06 inch (1.5 mm) neoprene. Excellent fit and excellent heat retention. Left hand palm; Made with a grip stop fabric that is resistant to slipping even when caught rocks and other items. In addition, roll guard sewn at the fingertips and gripstop fabric allow for a smooth catch. Right hand palm material: Clarino does not harden even in water. Provides a solid grip and maneuverability. Size: S Size: Length 6.9 - 7.1 inches (17.5 - 18.0 cm), Width 3.1 - 3.3 inches (8.3 - 8.3 cm), Size M: Length 7.1 - 7.7 inches (18.5 - 19.5 cm), Width 3.5 - 3.6 inches (8.8 - 9.1 - 9.1 cm); Length - 9.1 cm); Length - 9 cm * Length - 9.1 cm * Length = cm - 9.1 cm - 9.1 cm - 9.1 cm * Length = cm from the tip of the middle finger * Width = cm - 9.1 cm * Width = cm * Width = cm * Width = cm * Width = cm - 9.1 cm * Width =/1.5mm Chloroprene