Hydrobak Hydration Pack condition:Excellent_1 Material: Soft french terry blend

Material: Soft french terry blend for warmth and mobility

Ventilation: Mesh back panel and sweat-wicking technology

Design: Full-length two-way zipper

2 front pockets (optimized for backpacks)

Hydrobak Hydration Pack condition:Excellent_1 Material: Soft french terry blendThe Hydrobak Hydration pack offers a reservoir plus an extra 1 liter of cargo space for basic essentials so you can carry on. Designed with lightweight and durable materials and a ventilated harness for cooling and breathability. Additional external features include helmet carry and extended comfort with the adjustable sternum strap. Lightweight and Durable Materials Ventilated Harness: Lightweight and breathable Helmet Carry: Stow and secure helmet