The Trailflow63 is a 2-liter hydration reservoir designed as a lightweight, taste-free replacement bladder for day hikes, rides, and active use.

Why We Like It

A wide threaded fill port, quick-connect exit, and simple bite-valve system make it easy to fill, clean, and swap between compatible packs.

Best For

Hiking, cycling, running packs, and replacing a worn 2-liter reservoir.

Hydration System

• 2.0-liter capacity
• 63 mm threaded fill port
• Quick-connect exit port and GYZR valve

Materials & Construction

• USA-made food-grade film
• BPA- and PVC-free
• Approx. 15 x 6.75 in; 5.5 oz empty

Details

• Brand: Mazama Designs
• Product: Trailflow63 2L Hydration Reservoir
• Primary Color: Clear
• Material: Food-grade film
• Gender: Unisex
• Age Group: Adult
• Season: All Season
• SKU: MAZ-TF63-2L