NeoSport's unparalled combination of product features and benefits coupled with a focus on efficient manufacturing techniques and material selection has propelled NeoSport products to be viewed as an exceptional consumer value. NeoSport's unparalled combination of product features and benefits coupled with a focus on efficient manufacturing techniques and material selection has propelled NeoSport products to be viewed as an exceptional consumer value.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