Our Trans ski trousers are constructed from supple, breathable, Helly Tech PERFORMANCE fabric with a mid-weight PrimaLoft 60g Warmcore insulating layer. There�s extra insulation in the seat and articulated knees. Boot gaiters and fully sealed seams keep you dry, belt loops hold your favourite belt in place and venting zips let you adjust the ventilation to your activity level. A great choice or freeriding or skiing. Great outdoor clothing.