100% waterproof and windproof. Heavy duty PVC coated Nylon material. Seams double stitched, taped and electronically bonded. Incorporating the "easy fit" neck to knee diagonal front zip. Front zip incorporates large storm flap with velcro closure. Large gusseted leg cuffs with zip, elastic and Velcro closures. Reflective striping on sides, arms and back. Elasticised wrist and waist. Folds up ultra compact