Osprey Seral 4L Biking Waist Pack with Hydraulics Reservoir for Men & Women, Hydration Belt with Water Bladder, Raven Black

• OFF-THE-BACK HYDRATION: This compact and stable, lumbar-style bike pack includes a 1.5-liter reservoir for quick-access hydration on gear-light rides, a bike-specific, airmesh wrap hipbelt and an AirScape backpanel
• RESERVOIR INCLUDED: Drinking while riding has never been easier with the included Hydraulics LS Lumbar 1.5 Reservoir, smart hose routing and a magnetic bite valve attachment
• RIDER-FOCUSED FEATURES: The main compartment features glove-friendly zipper pulls, zippered internal organization and a key clip. Tuckaway front accessory straps secure a chin guard or extra layer
• RIDE STABILITY: Send confidently with the angled, bike-specific, airmesh wrap hipbelt featuring our crossbody ErgoPull system for a secure, body-hugging fit. Side compression straps stabilize pack contents
• AIRSCAPE BACKPANEL: Pedal with the comfort and stability of a mesh-covered, extra-thick ridged foam backpanel featuring a center airflow channel. Made with 50% recycled EVA foam
• ONE SIZE, UNISEX FIT: Designed to fit a broad range of body shapes and sizes
• ITEM DIMENSIONS: 6.7 x 11.4 x 5.9 in / 17 x 29 x 15 cm PACK WEIGHT (NO RESERVOIR): 0.74 lb / 335 g RESERVOIR WEIGHT: 0.28 lb / 129 g

Hydrate fast and ride light with this compact, stable lumbar-style bike pack featuring an integrated low-profile Hydraulics™ 1.5L LS Reservoir. A magnetic attachment secures the bite valve to the hipbelt, while a bike-specific airmesh wrap hipbelt and close-to-body AirScape™ backpanel deliver breathable, bounce-free comfort. Vertical straps hold a chin guard or extra layer for added versatility.