4-Season trousers with coolsystem. outershell Gore-Tex® Pro-Shell textile-laminate mix: Amacor (90% polyamide, 10% P-aramide), Darley (100% cordura) & Misano (100% polyamide) Cool System lining detachable inner lining (100% polyester) mesh lining (100% polyester) membrane Gore-Tex® Pro-Shell (100% polytetrafluorethylene) comfort/features 2 outside pockets stretch panels at back & knees schoeller®-KEPROTEC stretch panels in crutch & calves PITTARDS® anti-slip leather seat patch for better control zips & Velcro at ankles hip adjustment buttons at waist for braces safety EN 1621-1 certified SAS-TEC height-adjustable SOFT protectors at knee detachable TEMPERFOAM padding at hips upgradable hip protectors connecting zip 3M-SCOTCHLITE