For reliable warmth in winter conditions, these wetsuit mitts are made from stretchy, 5mm 85% Yulex® natural rubber/15% synthetic rubber by polymer content, with 100% external seam sealing and a textured palm for grip. Best for water temperatures: 38°–48° F/3°–9° C. Fair Trade Certified™ sewn. Stretchy 85% Yulex® natural rubber/15% synthetic rubber by polymer content; the natural rubber is Forest Stewardship Council® certified by the Rainforest Alliance; the synthetic rubber is chlorine-free Stretchy, solution-dyed linings; interior: 100% recycled polyester jersey; exterior: 88% recycled polyester/12% elastane; lining and exterior fabrics laminated with solvent-free AquaA™ glue 100% external seam sealing; all seams are triple-glued, blindstitched and internally taped at high-stress areas Articulated panels conform to hand for a snug fit Microgasket at wrist prevents water entry Patagonia R4 Yulex Three Finger Mitts