Harbinger Big Grip Lifting Straps are built to maintain grip during heavy lifts. Lifting straps are constructed of durable nylon with Dura-Grip rubber strips to grab the bar for a no-slip grip while lifting. Big Grip Original are minimalist lifting straps with merrowed end tabs to prevent fraying. Big Grip Padded straps feature Neotek wrist padding to cushion heavy lifts. Big Grip Pro Lifting Straps are constructed with 5mm neoprene left and right wrist pads secured with a steel buckle for maximum comfort and protection. When using Harbinger Big Grip Listing Straps, the Dura-Grip rubber side must always face the bar. Fully adjustable, one size fits all.