Lightweight, breathable and abrasion resistant Talson nylon is 100% waterproof with double-stitched. and taped seams. Easily converts from chest to pant wader with adjustable elastic suspenders. Hand-laid premium rubber over an insulating 3.5mm neoprene core for flexible, waterproof comfort. 600G Thinsulate™ Ultra Insulation for lightweight warmth. Active Fit for easy on/off and a secure, comfortable fit on foot.