Allen Cases Baktrak Flex Camo Sling The Baktrak Mossy Oak Break-Up Country Flex Sling features an Extreme Grip back that is designed for eliminating sling related noise. Cushioned and flexible for all day comfort, this neoprene sling also is one hand, quick adjusting and has a thumb loop, heavy-duty webbing, and the swivels are tested to 300 pounds. Manufacturer: Allen Cases MFG Number: 8383 UPC: 026509010074