Supernova Glide Boost ATR ShoesThese lightweight, all-terrain men's shoes run on a boostâ„¢ midsole that returns energy to every step you make. Designed to keep your feet warm and insulated on muddy, slushy roads and trails, they feature breathable climaheatâ„¢ insulation and a Continentalâ„¢ Rubber outsole.Weight: 11.3 ounces (size 9); 33 mm/23 mm stack heights; 10 mm dropclimaheat™ insulation uses hollow-core fibers inspired by natural fur to trap more heat and keep feet warmboost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyLight ripstop upper with synthetic overlays for added support and durabilityComfortable textile lining; TORSION® SYSTEM for midfoot integrityContinental™ Rubber outsole for extraordinary grip in wet and dry conditions; Mud Release outsole helps ensure that mud and dirt are left on the trailImported