The REI Co-op Flash 22 is your go-to lightweight hydration-compatible backpack, designed for day hikes and short summit hikes. Crafted from recycled ripstop nylon, this affordable frameless hiking backpack features a water-repellent finish that helps keep moisture at bay.
- Comfortable Fit: The integrated mesh hipbelt provides breathability and can be tucked away when not in use.
- Hydration Ready: An internal sleeve fits a reservoir (not included) with convenient exit ports for your sip tube.
- Versatile Storage: With multiple pockets, including a zippered side-entry pocket and tall side pockets, you can easily access water bottles and trail essentials.
Weighing just 14 ounces, this ultralight backpack is perfect for those who value both comfort and efficiency. Its breathable mesh back and padded shoulder straps ensure a pleasant experience on the trail. Whether you’re gearing up for a day hike or a local summit, the REI Flash 22 is the best ultralight hiking backpack for 2025.
Michelle Oconnor (verified owner) –
The REI Flash 22 is hands down the best ultralight hiking backpack I’ve ever used! Perfect for day hikes and super comfortable.
Michael Johnson (verified owner) –
I love how affordable this frameless hiking backpack is. It fits everything I need for quick summit hikes without weighing me down.
Melissa May (verified owner) –
Just bought the REI Flash 22 pack online, and I’m impressed! It’s lightweight and has all the right pockets for easy access.