Vanquest Gear Gt-Cobra Sling Strap Wolf Gray Medium 018020WG. The 2018 redesigned GT-COBRA Sling strap turns your Vanquest messenger/VPacker bags (ENVOY 3.0 SKITCH-12 SKITCH-15 MOBIUS 2.0 TOLCAT 2.0) into an ambidextrous bike-messenger-style bag...