Replacement Mesh Back Panel (Original Style) liner a full-length zipper for easy

a full-length zipper for easy layering and precise temperature control

Nylo Pro plastic sheeting has higher puncture and tear resistance than the same thickness "cross-linked polyolefin" (Polycro / Polycryo) ground cloths that you may find elsewhere

– Paul G

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The triangular shape preserves your headroom when sitting up on either side of the nest

Replacement Mesh Back Panel (Original Style) liner a full-length zipper for easyThis is our original style Mesh Back Panel. It is used to add tension to our Arc style backpack frames, and to help maintain a gap for air flow against your back. This will fit all Arc style backpacks, and can be retrofitted on old or new packs. It is made form our 3. 5 oz sqyd (119 g m) pocket mesh. The holes are a little larger than 1 8" (about 4 mm) and they allow very good airflow. This mesh doesn't stretch as much as the Lycra Back Panels that