Like every cycling-centric pack, this waterproof, 28-liter satchel is constructed with a 1000 Denier Cordura Nylon fabric exterior and a tarpaulin vinyl-coated polyester lining. But what makes the Flux backpack different is the LED-powered fiber-optic panel that produces between 40 and 50 lumens of red, rear-projected light depending on mode: Less for flash, more for steady. The included USB-rechargeable battery has a runtime of two to five hours and the lighting unit can also be used as a stand-alone seat-post-mounted light. [$120; torchapparel.com]
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