Apidura's most durable and spacious saddle bag, designed to store clothing and equipment on long distance bike-packing tours. Apridura's anti-sway system keeps your gear secure under the saddle, without needing a rear pannier rack. The roll-top closure and air release valve let you customize the bag’s capacity to fit your needs, whether you’re riding for days, weeks or months.   Durable construction. Compression air release valve. Anti-sway attachment. Flexible capacity. Seam welded waterproofing.   Trilon Waterproof, weldable & durable trilaminate with cross-woven core. PFA & PFC-free.   Welded Waterproof RF welded seams & bespoke fabrics for a 100% waterproof and ultra durable construction.   Durable Built to last, using bespoke fabrics and tested designs to endure the harshest conditions.   Features Weight: 14L: 350g. Storage Configuration: Main compartment / External bungee tie-down. Closure System: Roll top and quick release buckles / Air release valves for compression. Attachment System: 3 point anti-sway system / 2 Hypalon reinforced velcro straps attach to seatpost (1 for 9l pack) / 2 Hypalon reinforced buckle straps attach to saddle rails". Reinforced Structure: Moulded HDPE thermoplastic in lower section. Waterproofing: Seam Welded – bespoke materials and RF welding create watertight seams”. Visibility: Reflective graphics / Light attachment point.