Made from the Lightweight baselayer material, the Mens Lightweight Boxer Brief by SMARTWOOL will stay in place and keep you comfortable in any activity you do. 

Made from the lightest NTS fabric, the Mens Microweight Crew by SMARTWOOL was designed with flatlock seam construction to eliminate chafing. 

The Mens Microweight Tee by SMARTWOOL is a perfect baselayer in cool to cold weather and a great stand-alone piece for warm to hot weather activities.

The Womens Microweight Tank by SMARTWOOL was constructed fit to be longer in the body, with a shaped bottom opening that's higher on the sides, and lower in front and back. 

Redesigned for spring, the Womens Microweight Tee by SMARTWOOL offers versatility as a baselayer on cool mornings and as a stand-alone piece during warmer temps. 

Made from the most versatile baselayer fabric, the womens lightweight sleeveless by SMARTWOOL is perfect as a first layer and by itself when the temps rise. 

Slightly heavier than the Microweight Tee, the Lightweight Tee by SMARTWOOL for women is great by itself on mild days. 

Redesigned for 2012, the Men's Lightweight Tee by Smartwool now includes a drop tail bottom hem for increased coverage and easier tuckability. 

Redesigned for 2012, the Men's Lightweight Tee by Smartwool features a drop tail bottom hem for increased coverage and easier tuckability. 

The PhD Running Light Mini by SMARTWOOL is the ideal running sock for mild to cooler weather. 

The Womens PhD Running Light Mini by SMARTWOOL is the ideal running sock for mild to cooler weather. 

The light cushioned Womens PhD Running Light Micro by SMARTWOOL is the perfect running sock for mild to warmer weather. 

The light cushioned PhD Running Light Micro by SMARTWOOL is the perfect running sock for mild to warmer weather. 

Here's the most versatile outdoor sock, specifically designed for a woman's foot: Womens PhD Outdoor Light Crew by Smartwool.  

The light half-cushioned PhD Outdoor Light Crew by Smartwool is a most versatile outdoor sock. 

The Womens PhD Outdoor Ultra Light Mini by SMARTWOOL offers an array of fun colors combined with state-of-the-art technology. 

The PhD Outdoor Ultra Light Mini by SMARTWOOL features WOW™ technology and our 4-Degree Fit System, keeping the sock in place and giving you all-sport versatility. 

The Women's PhD Cycling Ultra Light Mini by SMARTWOOL is an ideal mountain bike sock featuring the 4-Degree Fit System for skin-tight performance and feel. 

The new non-cushioned sock PhD Cycling Ultralight Micro by SMARTWOOL is ideal for warm weather road rides. 

The new PhD Cycling Ultra Light Mini by SMARTWOOL offers skin-tight performance. 

The new non-cushioned sock PhD Cycling Ultralight Micro by SMARTWOOL is ideal for warm weather road rides. 

New design to the Lightweight line by SMARTWOOL.

Versatile enough for everyday wear throughout the year, this tee by SMARTWOOL features our very own Little Guy sizing up a vintage-inspired racing stripe.

This tee by SMARTWOOL features ruching detail at its sides, meaning the fabric has been gathered to form scallops.

Merino wooly socks for Kids by SMARTWOOL are with an over-the-calf height perfect for any cold weather winter activity.

MENS MICROWEIGHT TEE by Smartwool: A crew neckline and jersey knit fit provide a perfect baselayer or stand alone layer for everything from biking to skiing. 

The WOMENS PHD SNOWBOARD LIGHT by SMARTWOOL combines WOW™ technology with the 4-Degree Fit System to give you the best fitting, most technical snowboard sock on the market. 

The PHD WOMEN'S SKI MEDIUM by SMARTWOOL combines WOW™ technology with the 4-Degree Fit System to give you the best fitting, most technical snowboard sock on the market. 

The PHD WOMEN'S SKI LIGHT by SMARTWOOL combines WOW™ technology with the 4-Degree Fit System to give you the best fitting, most technical snowboard sock on the market.