Arc'teryx Slingblade 4 Shoulder Bag (Black) SLINGBLADE 4 SHOULDER BAG - Created to carry smaller essentials while travelling across the urban landscape, the Slingblade 4s purpose is clear and simple, but the design is surprisingly intricate. DAYPACKS - Functional packs streamlined for ease of use and light weight. Activity-specific designs. LIFESTYLE - Technical outdoor functionality, comfort and durability brought to everyday designs.