adidas outdoor 2015 Men's Terrex Ultimate Boost Climaheat Winter Sport Shoes - B23666 UPPER: climaheat combining PRIMALOFT 200g insulation together with an innovative collar execution UPPER: PRIMALOFT 200g insulation material for more warmth, even in wet conditions. UPPER: CLIMAPROOF membrane for waterproof protection in wet conditions. MIDSOLE: Boost offers endless energy in the mountains and high adaptability on rocky surfaces. OUTSOLE: Continental Rubber for extraordinary grip.