Smartwool Mens Classic All-Season Merino Base Layer Long Sleeve Iron Heather

Spring skiing or summer camping? The Classic All-Season Merino Base Layer Long Sleeve is game for either. With our Core Spun technology, we've wrapped lightweight Merino around a nylon core for added durability, while still keeping the comfort of ultra-soft, responsibly-sourced Merino next to skin. We added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps. Select colorways feature a more responsible plant-based-dye technique. No matter the season or the activity, this base layer is made for it.

Slim Fit

Our lightest weight Merino jersey fabric uses a nylon core to increase durability while still keeping 100% Merino wool next to skin

Offset shoulder and side seams designed to increase comfort and minimize chafing while wearing a backpack

Side seams wrap to front for body-enhancing fit

Flatlock seam construction designed to minimize chafing

Light Woodsmoke, Indigo Blue and Black Marble Wash colorways feature plant-based dye technique

Knit in China: 87% Merino Wool, 13% Nylon. Exclusive Of Decoration

Care:

Machine Wash Warm Gentle Cycle.

Do Not Bleach

Do Not Dry Clean

Wash With Like Colors