Now made with USA-built X-Pac fabric, the Aux Compartment is a modular shoulder bag and add-on pouch for the Errant Pack, Errant Pro, Errant Sling, and Rennen Pro. It has two roomy compartments and smart pockets to keep your everyday items in place. Built from durable, weatherproof materials, this waterproof pouch is made to last and ready for travel, commuting, or daily use. Specs Dimensions: 6W x 9H x 6D" Capacity: 3 L Weight: 0.2 lbs. / 0.1 kg Features 2 main compartments, 5 pockets, and 3 pen slots for easy organization Comes with ACC shoulder strap for standalone carry Strong aluminum hardware connects to other Boundary bags Stretch-mesh pocket for fast access to small items YKK® StormGuard zippers keep your gear dry Waterproof 840D nylon with DWR coating and stormproof design Padded Nywool™ pocket for sunglasses or tech Main pocket fits an iPad Mini, Kindle, or similar device Made using Bluesign®-approved fabrics and mills Shipping + Returns Enjoy free 2-day express shipping on U.S. orders $100+ and fast international shipping on orders $400+. Learn more Shipping Delivery. 30-day return policy.