100% waterproof and windproof. Made of 420 denier nylon coated with very flexible polyurethane. Generous sizing. Heavy duty rustproof snaps. Sealed seams. High resistance thread. Adjustable and removable shoulder straps with plastic clips. Reflective stripes at the legs. Double sewing on the silver reflective stripe and on the yellow band. Rustproof snaps at the leg cuff for a better adjustment. Reinforced at all points of strain.