At Escapa, we share your passion for Bikepacking. That’s why we’ve added the Geosmina Large Seat Bag 2026 to our catalog — an ideal companion for medium- and long-distance rides where capacity, stability, and protection from the elements are essential. Designed for Bikepacking, Gravel riding, MTB, and cycle touring, it lets you carry everything you need while maintaining maximum control over your bike.
Made from high-strength 420D nylon with an internal TPU and Hypalon laminate, this bag features a seamless, high-frequency welded construction, ensuring it’s completely waterproof even in heavy rain. Its rugged design offers excellent resistance to abrasion, tears, and mud splashes.
The reinforced bottom and side panels help keep the load stable while riding, while the Hypalon bottom panel protects the bag in the most demanding conditions. It incorporates a rigid internal reinforcement at the front that improves stability and reduces swaying.
The mounting system combines wide double Velcro straps attached to the seatpost with reinforced straps secured to the seat rails, ensuring a firm hold even on uneven terrain. It also includes a stabilizing strap that provides extra rigidity when the bag is fully loaded.
As an added feature, it has an adjustable and removable elastic mesh net on top for carrying extra gear, and a triple-panel Hypalon rear panel with slots, compatible with rear lights or auxiliary straps. Reflective details and logos improve visibility and safety during nighttime or low-light rides.
With a capacity of 15 liters, this bag is a reliable, lightweight, and extremely durable solution for multi-day adventures.
Key Features
- 100% waterproof, seamless welded construction
- 420D nylon with internal TPU and Hypalon laminate
- High resistance to abrasion and tearing
- Reinforced bottom and sides for greater stability
- Mud- and splash-resistant Hypalon bottom panel
- Wide double Velcro straps + stabilizing strap
- Adjustable and removable red elastic mesh top
- Back panel with slots for a tail light
- Reflective details for greater visibility
Technical Specifications
- Volume: 15 liters
- Approximate weight: 500 g
- Dimensions: 69 × 15 × 6 cm
- Recommended maximum load: 3 kg