Thule Rail 18L Hydration Backpack - Dark Slate

The ultimate mountain biking hydration backpack, complete with e-bike battery storage, a removable back protector and a 2.5L hydration reservoir. Tested to the limit At the Thule Test Center in Hillerstorp, Sweden, products go through extreme testing. Our roof rack systems are designed to carry your gear and fit your car as safely and securely as possible. Below are just a few examples of the many tests conducted. Quality that lasts: All Thule bags are rigorously tested to ensure they will stand the test of time. Our luggage even goes through an extensive 50 tests before it's given the Thule logo. Bluesign system members: We are partners of the bluesign system, an international standard for textile production aimed at reducing the impact of manufacturing on people and the planet. Responsible sourcing and logistics: We obey the principles of the UN Global Compact, as well as ILO and OECD guidelines, and conduct strict audits to ensure our suppliers respect human rights, labor laws, heal