The Butler Creek Alaskan Magnum Sling features stretchable construction and soft padding which soak up the bounce you get with traditional slings - reducing felt weight up to 50% so even the roughest hikes are smooth on your shoulder. FeaturesSoft, flexible closed cell neoprene with comfort stretch backingDramatically reduces felt weightNon-slip grippers keep it firmly in placeIncludes shell holdersLoops easily slide into place