Under Armour Training Men's Duffel Bag Size & Fit One size Details End Use: Training Training Project Rock Duffle Backpack by Under Armour Black/White Dwayne Johnson-approved, the Project Rock Duffel Backpack organises everything you need to tackle today's session. It can be worn both as a backpack and a duffle bag for a custom feel. UA Storm technology - a highly water-resistant finish to protect your gear from rainy commutes and spills Bottom panel is built from tough, abrasion-resistant material Compression moulded foam back panel offers max-comfort Generous main compartment Side zip pocket allows you to keep your sweaty clothes separate Ergonomically shaped straps convert to a backpack and a duffle bag Lined-laptop sleeve pocket inside Valuables pocket and two secure snap exterior pocket Two side zip water bottle pockets Reflective details for improved visibility in low-lit conditions Sternum strap clip Material