Versatile storage options Easily store tools, clothes, electronic devices, and more to meet travel and longdistance needs. It can quickly convert into a tail, a back grid, or a shoulder configuration to adapt to different travel equipment setups. Ideal protection Designed for protection with fully etched seams and a tearresistant construction. Made from a tough composite coating to help guard contents against wear. Increased capacity When not in use, it transforms to a compact notebook size. The expansion zipper adds about 20% more capacity, and the design includes several compartments and straps to improve organization and convenience. Rainproof performance Effectively prevents rain from penetrating the bag. It helps keep items dry and safe, while the wearresistant construction helps maintain integrity and attachment stability. Use scenarios Daily cycling or commuting: Attach the saddle in the preferred orientation (tail, back grid, or shoulder) for hands access to tools, a change of clothes, or electronics during rides and daily trips. Weekend or longdistance travel: Expand as needed to increase storage capacity for clothing, toiletries, and gear; when not needed, collapse to compact size for easy transport and packing. Outdoor activities and work on the go: Keep electronics and valuables dry and protected with the rainproof, wearresistant design, whether you are hiking, camping, or on a field job.