Storage Pocket - Great storage space is provided, room enough for essential items. Internal Security Pocket - Secure storage for key items. Water-Resistant Zips - Ensures that water won't leak into the storage space. Durable Ripstop Nylon Construction - The item is made from a durable anti-abrasion and anti-tear fabric which ensures the durability of the item. Mesh Back Panel - Helps heat escape from the closeness to your body, keeping you comfortable and focused.