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- RUSH 11R
Designed by the Runners
A endurance model optimized for ultra trail races.

For Ultra Trail Runners
FOR ULTRA TRAIL
RUSH 11R, originally developed for ultra trail runners, has been fully renewed. Based on user feedback, both comfort and usability have been significantly updated. The high center-of-gravity design and adjustable harness allow stress-free performance even during long races.
HIGH CENTER OF GRAVITY
The high center-of-gravity design optimizes the balance between the backpack and the runner’s center of gravity, achieving excellent weight balance. It reduces the feeling of load and helps minimize fatigue.
Fitting
SHOULDER ADJUSTERS
The shoulder harness is designed to fit runners with various body types. It can be easily adjusted with Velcro for a stepless fit. Please use the stitching as a guide when adjusting.
SIDE ADJUSTERS
The side adjuster uses a 6-point bungee cord system, providing a secure, body-hugging hold with good breathability. The waist drawcord can be tightened with one hand, making it easy to adjust even while running.
CHEST STRAP & PGW TWIST LOCK
The chest strap uses a soft, flexible material for a gentle feel against the skin. Our original buckle, “PGW TWIST LOCK,” was developed to be easy to operate even when fatigued. It is also designed with both lightweight performance and durability in mind. Once you get used to it, it can be operated with one hand.
POCKET LAYOUT
The pocket layout has been improved based on user feedback. It allows stress-free access while running and enables optimal packing according to how often each item is used.
BOTTLE POCKETS
Optimized for soft flasks up to 600 ml and 500 ml PET bottles. A drawcord prevents them from falling out. An emergency whistle is also included.
SNACK POCKETS
The lower pocket with a drawcord is ideal for storing gels or other nutrition. Compared to the previous model, the capacity has been increased and accessibility has been improved.
SIDE POCKETS
A zip pocket on the right side and a flap pocket on the left. Ideal for storing valuables used less often, a collapsible cup, or trash.
MAIN ACCESS
The main access uses a top-entry design, making it easy to take gear in and out. It is designed for convenient access in a variety of situations.
SIDE POCKET
The top pocket is designed for storing a headlamp. Once you get used to it, you can access it while wearing the pack. Includes a key hook.
PRODUCT MOVIE
BOTTOM POCKET
Items such as a wind shell or gloves can be stored in the lower pocket of the main body. The wide opening makes it easy to pack, and the design helps prevent items from falling out even during intense movement.
STOCKHOLDERS
Trekking poles can be secured by passing them through the holders on both sides of the drawcord. Using the included bungee cord, you can attach them at your preferred position. The optional RUSH Pole Holder is also compatible.
HYDRATION POCKET
There is a pocket on the back for a hydration pack, with a hose port that routes over the shoulder. Storing a thin shell jacket or rain pants here can also act as cushioning between your back and the gear inside, making it more comfortable to carry.
DESIGNER'S VOICE
Since its launch in 2015, the RUSH series has continued to evolve by reflecting the voices of its users. Looking back over the past 11 years, we have created more than 40 models. Sometimes I even think to myself, “We’re really obsessed with development.”
But backpacks used for the demanding sport of trail running are endlessly fascinating as a design theme. The challenge is always how to reduce both “physical stress,” such as shoulder pain, and “mental stress,” like difficulty accessing gear—and how to solve these problems in a way that is both stylish and rational.
To achieve this, we have listened to passionate feedback from many runners at races and events, and repeated countless prototypes and field tests. It is quiet, patient work. Not particularly glamorous, but this is the development style of Paago Works.
For this new RUSH as well, many runners were involved in the process, leading to a significant evolution. We want RUSH to be the ideal gear created by runners themselves. That idea is captured in the phrase “Designed by the Runners.”
If you happen to see a RUSH on the trail, we would be happy if these words come to mind.
Tetsu Saito, March 2, 2026
- Size
- 385 × 280 × 155 mm
- Capacity
- Approx. 12 L (including pockets)
- Weight
- Approx. 340 g
- Fitting Guide
- Chest 70–100 cm
- Accessories
- Bungee cord, cord lock