Single Strap Lifestyle Pack When pockets won’t do but a backpack’s too big, you need the Altmont 4.0 dual-compartment Monosling. The ideal travel companion, you can simply stash your essentials in the spacious pouch, tuck your smartphone into the shoulder strap pocket and relish the sense of freedom this sling will bring. Crafted from supple yet durable materials for effortless adventuring. Key features Neoprene pocket on shoulder strap to keep your Swiss Army Knife at hand Electronic device..