Trail Bum BUMMER SPECTRA

An ultralight hiking backpack for everyday use by trail bums. It can be used for a wide range of purposes, from trail life to town life. Based on backpacks made by hiker "Yas," it is packed with TRAIL BUM's passion and has a simple structure that is typical of trail bums. It has a traditional ultralight backpack design.
This version uses ripstop nylon material made from "Spectra," an ultra-high molecular weight polyethylene fiber that is highly resistant to abrasion and impact.

WEIGHT: 430g (body 380g, back pad 50g)

VOLUME: 30L

MATERIAL: Nylon, polyethylene

COLOR: NIGHT CLOUD, GRAY

SIZE: Height 54cm, Width 26cm, Depth 13.5cm

Key feature 1: The unit itself weighs just 380g. Its simplicity makes it so light.
❷ The shoulders are wide, which distributes the load and reduces strain over long periods of time.
❸ The spacious front pocket is made of soft mesh that is not very stretchy but is resistant to UV degradation.
❹ Side pockets designed for easy access.

This model is closest to the original UL backpack, weighing just 320g. It's the closest to the original UL backpack, which was created in the 1990s. Its simple design features a main body with mesh pockets on the front and sides and a shoulder strap. It's a reminder of the origins of the UL backpack, where a backpack can be lightweight with a simple design, even without using special materials.

Wide shoulder strap that distributes the loadWe paid particular attention to the width and thickness of the shoulder strap, as well as the cushioning of the urethane foam.Not only does it distribute the load evenly across the entire surface, but the cushioning does not wear out even with long-term use, and it does not feel hard either.This shoulder strap was born from numerous prototypes and discussions.Although simple, it is an important element in balancing the load.

UV-resistant front pocket
The mesh front pocket, a signature design of UL backpacks, offers ample capacity for storing gear that is likely to get wet, such as shelters and rain gear. It uses a soft mesh that prioritizes UV resistance over stretch.

The side pockets are made of a soft, UV-resistant mesh. While the Bummer has a small capacity of 35L, the side pockets are deep enough to fit two bottles and are easy to access while wearing the pack, making them ideal for UL hikers on long hikes.