The Osprey Tempest Pro 20 is a technical backpack suitable for mountaineering and bikepacking. It has an adjustable torso length and an injection-molded frame for a better fit. The bluesign®-certified NanoFly™ fabric increases strength at a low weight and a DWR finish repels moisture. Practical storage solutions include a compartment entrance, a hydration pocket, elastic front and side pockets and small pockets on the hip belt.