Smartwool Classic Thermal Merino

How to Choose Socks

Synthetic or merino wool socks have subtle differences depending on their intended activity. We'll explain sock fit, features and fabrics.

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 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 Hiking Socks

Choosing the right hiking socks will keep your feet happy during the long haul. This article covers sock height, cushioning, fabric and fit.

How to Choose a Sports Bra

A good-fitting sports bra lets you focus on your activity without worrying about chafing, discomfort or other pain.

How to Choose Ski and Snowboard Socks

Choosing the right ski or snowboard socks is essential for a fun, comfortable day on the slopes. Here’s everything you need to know about fabric, fit