フュージョン™ 2L リザーバー TRU® ジップ防水ジッパー付き

The TRU Zip zipper is the real win here—no more fumbling with a fold-top while wearing gloves, it just seals shut with one pull. Two liters gets me through a solid three-hour ride without a refill stop.

Filled it to the 2L mark and it slid into my pack's sleeve without any bulging. The waterproof zipper is the real win though, no drips down my back on the descents.

The TRU zip slider works fine and I haven't had a leak yet, but the fill port is stiff enough that refilling at a tap takes some fiddling. It does the job, though I expected the zipper to glide more smoothly for the price.