Pro Line® Extra Size 3.5mm Neoprene Chest Waders. Side panels are adjustable to fit a wide variety of upper sizes. Upper is made of 3.5mm Neoprene and has a front pocket with hook and loop closure, a hand warmer pocket and molded cushion knees. The boot is constructed of a special rubber, ozone-resistant compound with a cleated outsole and 400 grams of Thinsulate™ Ultra Insulation for superior warmth. Suspenders included.