Metolius open loop sling instructions Quick View. Add to cart-Remove +2 other colors/patterns. Looking for climbing gear? Whether your goal is the gym, the crag, the mountains, or a big wall, we've got your covered. Made from 11mm UHMWPE Monster Sling webbing. Qualified orders eligible for FREE S&H and FREE RETURNS. 80. $10. Do not use Metolius slings for any other activity. 5; Dyneema double loop – $8. Like all Dyneema slings, it has a small amount of Nylon fibers on the edges, although as far as we can tell nowhere near the same amount as the Metolius Open Loop Sling, which is also stiffer. vnoomqyillcmqqxcorgkwgmdqwylwtxqodzmmlanhkxldyfmyddcxprnxoiebfnfokuelyf