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The Patagonia Altiva 22L Hydration Pack is up for big hikes with plenty of layers and snacks. The Regulator® air mesh shoulder straps and hip belt are comfy and breathable, and the and external straps and pockets let you stash your phone and trekking poles when it's time to scramble to the summit.
Shell – 4-oz 140-denier 100% recycled nylon ripstop.
Raincover – 2.2-oz 100% Recycled Polyester Taffeta
Boot – 4.1-oz 210-Denier 100% Recycled Nylon Ripstop
Back Panel and Straps – 4.4-oz 100% polyester mesh.
Frame – Layered foam frame sheet.
Lining – 3-oz 200-denier 100%Recycled Polyester with PU Coating
19.5" x 11" x 9.25"
Hydration Compatible
Hip Belt Pockets Secure Small Items
Water Bottle Pockets
Breathable Regulator® Air Mesh Shoulder Straps and Hip Belt
Suspended Mesh Back-Panel for Airflow and Moisture Management
Rain Cover Included