Make it warmer. Do it smarter.

About the technology

Smartloft™ technology is the Merino wool solution to performance insulation—offering versatile warmth and breathability.

Circular Merino Insulation  

We use scraps from our industry-leading Classic Thermal Base Layers to construct a 50% recycled wool interior that helps keep you warm and keep perfectly good materials out of landfills.

Circular Merino Insulation  

We use scraps from our industry-leading Classic Thermal Base Layers to construct a 50% recycled wool interior that helps keep you warm and keep perfectly good materials out of landfills.

Let’s talk layers. 

Smartloft™ gear can be worn as an insulating mid-layer under a under a shell or as a packable outer layer in friendlier conditions. Pair your Smartloft™ apparel with a Smartwool base layer to create a performance-focused kit that works with your body as you move—providing warmth you don’t need to shed.

$66.00

$110.00

-40%

$111.00

$185.00

-40%

$114.00

$190.00

-40%

$177.00

$295.00

-40%

$150.00

$250.00

-40%

$177.00

$295.00

-40%

$150.00

$250.00

-40%

$30.00

$50.00

-40%

$114.00

$190.00

-40%

$111.00

$185.00

-40%