Men's Castback Tc PFG Aqua Shoes Size:US11 high efficiency warmth boosted by solar Lt Rsn high efficiency warmth boosted by solar power PU fabric on the palm for durability Touchscreen compatible thumb and fingertips let you use your phone without removing gloves Overlay at back of hand for added durability Uses: Everyday relaxed fit stays lightweight and flexible Uses: Everyday Imported and energy return with extra light responsive foam for long lasting comfort on any terrain Midsole cradles the heel for optimal balance while deflection domes in the forefoot and heel absorb impact to reduce stress on the foot Deep flex grooves in the forefoot enhance motion for a more efficient stride Omni Grip™ outsole provides all terrain stability and traction with non marking rubber and a tread pattern that adapts to varied surfaces