DURABLE: We listened to feedback and reinforced stitching at key stress points and added a water resistant bottom panel. Drop and stress tested, its ready for use.OPTIMAL COMPARTMENTS: Fits One 32oz Water Bottle AND One Protein Shaker. Inside Pocket Fits Oversized Phones. 10 total compartments to keep your equipment organized!2 WET POCKETS: Hidden water resistant pocket for wet items PLUS full length shoes/sweaty clothes pocket that can fit the largest shoe sizes.BIG MOUTH OPENING: Main pocket opens completely for easy access.