XOP ULTRA-LIGHT TREESTAND SAFETY HARNESS The XOP Ultra-Lite Tree stand safety harness is the lightest TMA Recognized full-body safety harness in the industry. This one-size-fits-all system is perfect for early-season hunts over thin clothing or late-season outings over heavy winter gear. ASTM tested to current standards and certified safe for hunters up to 350lbs. This harness conforms to standards recognized by the Tree stand Manufacturer's Association.