The Escapist Family allows you to build a comprehensive bikepacking kit to fit you, your bike and how you ride. The two-piece Escapist Saddle Bag Large comes with a custom under-saddle holster that prevents sway while the removable, waterproof bag carries bulkier gear. Covered air purge holes vent out pressure and increase compression and stability. Features Waterproof tapered dry bag Purge patch system allows air to escape without a bulky valve, while keeping water out Under-saddle cradle system Double-wrap seat-post attachment strap Aluminum reinforcement keeps compression even and helps reduce sway Dual side compression straps Front reflective compression straps Glove-friendly buckles CURATED BIKEPACKING SYSTEM Thoughtfully designed as a modular bikepacking system, Escapist On-Bike frame bags accommodate any rider, any adventure. Mix and match different combinations to fit your needs, from short gravel grinds to multi-day epics. MULTI-FRAME COMPATIBILITY By using an innovative holster system the Escapist Saddle Bag is designed to fit the widest array of bike frames and sizes possible.​ It is compatible with rigid seatposts, or can be adapted for dropper posts with aftermarket sleeves. HIGHLY WATER RESISTANT PROTECTION Keeping your gear dry in variable conditions, the Escapist On-Bike bags are highly water resistant with rugged, water-shedding main fabrics, RF welded seams and waterproof zippers. The Saddle Bag features an innovative, covered air purge hole to vent out pressure and increase compression and stability. RIDER-FOCUSED DESIGN Keep life convenient in the saddle: reflective hits for visibility, double-ended and glove-friendly zips for easy access, multi-position, soft hook-and-loop attachments help look after your bike and external lashing loops for additional functionality. LG VOLUME 549 IN 3 / 9 L DIMENSIONS 50H X 18W X 16D CM WEIGHT 0.16 KG FABRIC MAIN 100% recycled 210D nylon, DWR treatment made without PFAS Osprey Escapist™ Saddle Bag Large