Helikon Tex EDC Sling Backpack 6.5L Cordura Nylon Concealed Carry Urban Black [100+] Kyle Busch Wallpapers Wallpapers.com. Helikon Tex EDC Sling Backpack for Men Cordura Nylon Black is a sleek one strap pack for everyday carry with a discreet tactical edge. The main compartment is lined with soft velour and fully compatible with the VIS (Versatile Insert System), making it easy to customize internal organization. A hidden back compartment provides fast access to defensive tools or a firearm, and the backpack comes with an Inverted Pistol Holder Insert included, ensuring safe and discreet pistol placement. Sling Backpack for Men front section offers a side zippered pocket and an elastic buckle closed pouch for quick access to essentials. A profiled shoulder strap with breathable 3D mesh, an additional zip pocket on the strap, and durable YKK zippers complete this functional and reliable sling backpack.