The thick, durable neoprene construction of these slings is backed by a shark skin rubberized pad that wont slip off your shoulder. You can carry a rifle for hours in comfort, thanks to the superior cushioning in this sling. These slings have tough polypropylene webbing straps and they adjust to 48. Colors: Black, Realtree XTRA. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Slings.