Have an account?
Log in to check out faster.
Loading...
Ready to Ride?! Shop the New Freewheel Mountain Bike Collection
Sign up for SMS and be the first. Text JOIN to +1 (866) 394-4748
The Spring Digital Catalog is Here Explore Now
Couldn't load pickup availability
The Helium Adrenaline Day Pack 20L features durable, lightweight Helium fabric to deliver a form-fitting day-pack for moving fast and light in the mountains.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
Free standard shipping on orders over $99 + easy returns.* Final sale products are non-returnable.
The Helium Adrenaline Day Pack 20L is perfect for adventure seekers who want to go light and fast. Built with Pertex® Shield, this pack is durable, waterproof, and breathable, making it perfect for carrying all your essentials on a long day hike or ultralight overnight trip. The main compartment is critically seam-taped to keep your gear dry and features a zippered internal pocket for storing small items. Compression straps with integrated ice axe loops keep your equipment secure, while a detachable waist strap provides extra support when you need it. When moving quickly is the top priority, the Helium Adrenaline Day Pack 20L hauls essentials and keeps them dry when the skies turn grey.
WARNING: This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
