Fly Racing Aurora Bib. 450D abrasion-resistant polyester shell. Two step adjustable leg length for short, regular and tall sizing. Hydraguard - Weatherproof technology. Windproof, waterproof membrane. 140 grams of thermal insulation for added warmth. Waterproof dry seat insert with 180 grams of thermal insulation. YKK® two-way main and side leg zippers. Heavy-duty reinforced knees for increased abrasion resistance. Side stretch panels and back expansion for comfort fit. Adjustable shoulder straps. Reflective for visibility and safety. Micro-fleece lined hand warmer pockets. Adjustable boot gaiter with elastic lace attachment. Chest pocket. Tether D-ring. Standard fit. Two-year warranty.