What Our Gearhead® Experts Are Saying:"This pack is a must-have for long days on the trail. The 2. 5L reservoir keeps me hydrated for hours, and the added back protector gives me extra confidence on technical descents. It’s lightweight, fits snugly without bouncing, and has plenty of storage for tools, snacks, and even a spare layer. I don’t hit the trail without it."When the trail demands our all, the Thule Rail Pro 12L Hydration Pack is ready to deliver. Designed with enduro riders in mind, this pack ensures we stay hydrated, organized, and protected on all-day rides. The 2. 5L hydration reservoir keeps the water flowing, while a lightweight CE-certified back protector offers crucial coverage on rugged descents. With 12 liters of storage, there’s room for everything we need—tools, snacks, and an extra layer—while the pack’s snug fit and breathable materials keep it secure and comfortable during intense rides. Thoughtfully placed compartments allow quick access to essentials, so we can focus on the trail without missing a beat. Whether we’re conquering technical terrain or chasing podiums, the Rail Pro 12L keeps us prepared for every challenge.