First Aid

Learn how to use sunscreen to guard against UV radiation. Topics include ingredients, SPF, UVB, UVA, broad spectrum, and water resistance.

Learn how to combat mosquitoes, ticks and flies with DEET, picaridin and natural lotions, air-emitted repellents and permethrin-treated clothing.

Learn how to choose and resupply a first-aid kit for the outdoors or make your own from scratch.

Chemicals in some sunscreens are harmful to coral reefs, leading sunscreen makers to offer "reef-safe" formulas. What does "reef-safe" mean? Find out.

Learn why replenishing electrolytes with sport/energy drinks is important and what to look for when shopping.

What REI Co-op Members and staff pack for going to the bathroom outdoors, including gear like trowels and wipes, along with tips and tricks.