The versatile and sturdy Osprey Zealot 15 Hydration Pack has a slim profile, can carry a full-face helmet and body armor, and has a detachable tool roll, making it great for all-mountain riding.

• Hydration system features a 3-liter (100 fl. oz.) reservoir that conforms to your back's shape even when full, resulting in a precise, stable and comfortable fit
• Rigid spine / handle stabilizes the reservoir, making it easy to slide it into its dedicated compartment; large mouth makes filling and cleaning easy
• Back panel features ridge-molded foam with channels covered in mesh to allow airflow
• Contoured shoulder straps have breathable mesh and perforated foam; stretch-mesh pocket and zip media pocket keep items close
• Webbing waistbelt helps stabilize pack during demanding descents
• Zipper around back panel lets you access the main compartment without removing gear from the front
• Quickly attach a helmet with the adjustable LidLock helmet clip
• Padded front compression pocket secures a full-face helmet; body armor fits in the side mesh pockets or behind compression pocket
• Top zippered pocket is lined with a soft fabric that helps keep sunglasses, goggles or other fragile items from getting scratched
• Pack includes a removable tool roll, which has its own zip pocket at bottom of pack
• Compression straps let you cinch down loads for jostle-free carrying
• Reflective hits increase visibility in low light