Outdoor Research Adrenaline Day Pack 20L

Outdoor Research Adrenaline Day Pack 20LBuilt for fast moving days on technical terrain, the Adrenaline 20L is our pick for athletes who want just enough pack to move hard without hauling extra weight. Ripstop nylon and an air mesh back panel keep things light and ventilated a real advantage when Southern heat and humidity are working against you. The hydration sleeve and stretch pockets keep your essentials organized without slowing you down. Lightweight ripstop nylon construction resists

DWR finish sheds light moisture so a drizzle or humid Southern morning won't kill your warmth

PWRRUN foam delivers a balanced ride that absorbs impact and returns energy stride after stride

A Fresh Foam X midsole gives you a soft

and alpine athletes who need a packable

Shred Shield technology reinforces the toe area

and casual outdoor outings

Safe alternative to metal rings

A Pebax-powered midsole core delivers snappy energy return at just 8

this pack embodies a commitment to sustainability without sacrificing performance

Pre-run and post-run warmth

Built for long days on your feet and easy-effort runs

Performance fabric front panel wicks sweat and dries fast so it doesn't get heavy mid-run