One of the key features of the TF2 water drinking backpack, also known as a hydration pack is its compatibility with the MOLLE (Modular Lightweight Load-carrying Equipment) attachment system. This allows you to easily attach the pack to other MOLLE-compatible gear, such as backpacks or vests, expanding your carrying options and customization possibilities.

The pack is thoughtfully designed to prioritize functionality and convenience. It includes a drinking tube with a bite valve, allowing for easy access to water on the go. The tube can be securely routed through the pack, providing hands-free hydration without interrupting your activities.