Our lightest performance apparel helps you stay cool and dry on the hottest days. 

Moisture
Management
Temperature
Regulation
Odor
Resistance
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man on a bike wearing smartwool gear
Takes my training
to the next level. - Chad, San Diego
Men's Ultralite
Women's Ultralite

Complete your kit.

Check out our full active collection of lightweight, breathable apparel and accessories to bring even more comfort to every adventure.  

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go far feel good guarantee

go far. feel good.™ Guarantee

If within two years, you don’t love your activewear, we’ll make it right.

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Not your grandma’s wool.


This is responsibly sourced, naturally performing Merino wool. So, yeah, it’s perfect for warm weather.

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