FEATURES:
Rubber: Exclusive XSPAN material - Ultra Soft and Comfortable - 250% 4-Way Super Stretch foam neoprene. 

Fabric Laminate: Each pair of socks is constructed of 100% XSPAN material. 

Construction: 1.5mm Socks constructed using our bomb proof flatlock stitch and our 5mm Socks are constructed using our proven Glued and Blindstitch.