This CamelBak Classic Hydration Pack is perfect for cycling and backpacking enthusiasts. The pack has a zippered pocket for convenient storage and a hidden compartment for added security. It is made of durable nylon material with a gray and black color scheme. The pack features Velcro closure and a single pocket with a divider. It is suitable for both men and women and has a one-size-fits-all design. The frame material is also nylon, making it a sturdy and reliable choice. Personalization is not available for this item.