33 Genius REI Products You’ll Probably Wish You’d Discovered Years Ago

1. A four-function whistle that's a compass, magnifying glass, thermometer, and, of course, emergency whistle all in one handy-dandy little tool. Perfect to clip onto your pack just in case.

Promising review: "Good multitool I like to have on my daypack. Clipped onto my sternum strap for easy access. Very lightweight." —Luis M

Price: $6.50

Continue reading to learn moure about genius REI products, written by Rachel Dunkel.

Freeland Writer

Rachel Dunkel

Rachel Dunkel is a freelance writer and editor based in Los Angeles. Get in touch with her at racheldunkel.freelance@gmail.com.

Buzzfeed: 33 Genius REI Products You’ll Probably Wish You’d Discovered Years Ago

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Rachel Dunkel

Last updated:

October 21, 2025

| 5 min read

Close-up of a man holding a black whistle with a compass in it near his mouth.

33 Genius REI Products You’ll Probably Wish You’d Discovered Years Ago

1. A four-function whistle that's a compass, magnifying glass, thermometer, and, of course, emergency whistle all in one handy-dandy little tool. Perfect to clip onto your pack just in case.

Promising review: "Good multitool I like to have on my daypack. Clipped onto my sternum strap for easy access. Very lightweight." —Luis M

Price: $6.50

Continue reading to learn moure about genius REI products, written by Rachel Dunkel.

Freeland Writer

Rachel Dunkel

Rachel Dunkel is a freelance writer and editor based in Los Angeles. Get in touch with her at racheldunkel.freelance@gmail.com.

Freeland Writer

Rachel Dunkel

Rachel Dunkel is a freelance writer and editor based in Los Angeles. Get in touch with her at racheldunkel.freelance@gmail.com.

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Medya Mansyone

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Buzzfeed: 33 Genius REI Products You’ll Probably Wish You’d Discovered Years Ago

Rachel Dunkel

Last updated:

June 12, 2025

| 5 min read

33 Genius REI Products You’ll Probably Wish You’d Discovered Years Ago

1. A four-function whistle that's a compass, magnifying glass, thermometer, and, of course, emergency whistle all in one handy-dandy little tool. Perfect to clip onto your pack just in case.

Promising review: "Good multitool I like to have on my daypack. Clipped onto my sternum strap for easy access. Very lightweight." —Luis M

Price: $6.50

Continue reading to learn moure about genius REI products, written by Rachel Dunkel.

Freeland Writer

Rachel Dunkel

Rachel Dunkel is a freelance writer and editor based in Los Angeles. Get in touch with her at racheldunkel.freelance@gmail.com.

Freeland Writer

Rachel Dunkel

Rachel Dunkel is a freelance writer and editor based in Los Angeles. Get in touch with her at racheldunkel.freelance@gmail.com.

learn about the author

Medya Mansyone

Campfire conversations with our community, from Squad MembersSquad Members and Ambassadors to Brand Partners and the Sawyer team.

We build products withindustry-leadingstandards and technology, designed to keep you outdoors for longer. Explore what others are saying about Sawyer.

News fromSawyer HQin Tampa Bay, FL, including product resources, updates in technology, and recent brand developments.

NewThere’s nothing like seeing hearing from those who are personally touched by the promise ofclean water. Explore their stories and lift your soul; you’ve made this work possible.

Stories and experiences encompassing a spread of outdoor enthusiasms, from theBackcountry to the Backyard^TM. What keeps you outdoors?

Trail tips and packing list guides for backcountry travel, gear choices.Trail guidesfor hiking, biking, thru-hiking and more.

Read aboutproduct reviewsfrom various media outlets, customers, community members, and outdoor gear websites.