COME FOR THE WARMTH, STAY FOR EVERYTHING ELSE IN THE COLUMBIA BUGABOO II PANT.Winter is rolling in, so make sure he's ready for snowball fights and skiing with the Columbia Bugaboo II Pant. The Bugaboo II has everything to keep him warm and dry, like the 100g insulation, wind proof barrier, Omni-Heat thermal reflective lining, and Omni-Tech waterproof/breathable barrier. FEATURESOmni-HeatGao thermal reflectiveOmni-TechGao waterproof/breathable critically seam sealedOUTGROWNGao grow systemWind proof100gsm insulationWaist adjustable tabsReinforced kneesArticulated knees