The Helium Bivy is our lightest

Articulated elbows for increased mobility

SKU: WS20 Hip Monkey

Soft polyester lining wicks away moisture

Gregory Zulu 45 Backpack Raincover The Helium Bivy is ourBig enough for an overnight, light enough for a day hike, the Zulu 45 uses a dynamic FreeFloat suspension, providing comfort in all environments. With an athletic look, full adjustability, and refined materials, we straddled the line between a daypack and overnighter. Open Air, Precise Fit Backpanel: Tensioned mesh creates an open space between your back and the pack to maximize ventilation, and the adjustable torso length provides a custom fit,