Made with neoprene-free 85% Yulex® natural rubber/15% synthetic rubber (by polymer content) that meets our rigorous standards for performance, durability, warmth and sustainability; the natural rubber is derived from sources that are Forest Stewardship Council® certified by the Rainforest Alliance; the synthetic rubber is chlorine-free
95% polyester (51% recycled)/5% spandex inverted microgrid thermal lining is warm, flexible and fast-drying
100% external seam sealing; all seams are triple glued, blindstitched and 100% internally taped
Z-strap closure conforms to foot for a snug fit
Internal split-toe design for maximum dexterity
Diamond-grip, nonmarking soles provide increased traction