Gregory Inertia Hydration Pack 18L | 24L - Lightweight Daypack with 2L Reservoir & Ventilated Backpanel Tailgate Pads Whatever technical problem the rock

Whatever technical problem the rock presents

compact profile

Backed by Science: Designed for effective hydration and better athletic performance

Neutral shape suitable for all types of foot

plus exceptional durability and ventilation for ultimate performance

Gregory Inertia Hydration Pack 18L | 24L - Lightweight Daypack with 2L Reservoir & Ventilated Backpanel Tailgate Pads Whatever technical problem the rockDesigned for fast paced hikes and trail adventures, the Gregory Inertia Hydration Pack delivers comfort, hydration, and smart organization in a lightweight package. Available in 18L and 24L sizes, it includes a 2L Gregory Hydro reservoir with a convenient SpeedClip mounting system for quick hydration on the move. The breathable 3D foam backpanel and ergonomic shoulder harness keep you cool and comfortable, while multiple compartments and stretch