REI Co-op Insulated Men's Tops

What to Wear Hiking

Learn about clothes that can help you hike more comfortably, and get strategies for cutting the weight and bulk of clothing in your pack.

How to Choose Hiking Underwear

Your choice of underwear can have a big impact on your comfort while hiking. Learn what fabric, style, fit and features to look for.

How to Choose Base Layers

Choosing the right underwear (base layer) is essential—learn how moisture-wicking materials, fabric weight and fit affect comfort in the outdoors.

How to Choose Travel Clothing

Learn how to compare fabrics and choose travel clothing that dries fast, resists wrinkles and provides sun, rain or insect protection.

What to Wear Backpacking

Learn which clothes to bring backpacking in order to keep your pack light while making sure you'll have everything you need.

How to Choose Sun-Protection (UPF) Clothing

Sun protection can come from more than just sunscreen. Learn what UPF ratings are and how to choose sun-protection clothing.