Offering additional warmth with a more natural feel on your board, the R2 Yulex Hybrid Booties are made from stretchy, Yulex® natural rubber. These booties are used best for water 55°–60° F/13°–16° C and Fair Trade Certified™ sewn. FeaturesSurf Booties for men by PatagoniaMade with Stretchy Yulex® natural rubber and chlorine-free synthetic rubber by polymer contentNatural rubber is FSC® certified by the Rainforest AllianceWarm Thermal Lining made of solution-dyed 95% polyester (51% recycled)/5% spandex thermal microgrid interior liningDries fast and offers excellent warmth and flexSolution-Dyed Recycled Polyester and Water-Based GlueStretchy and durable solution-dyed 88% recycled polyester/12% spandex exterior, all fabrics laminated with solvent-free AquaA™ glueSplit-toe design for maximum dexterityGrippy Supratex soles with Tatex rubber touch points provide increased traction and flexibilityAll seams are triple glued, blindstitched, and 100% internally taped for DurabilityFair Trade Certified™ sewnWeight: 227 g (8 oz)