Icebreaker Base Layer

A soft and stretchy tee for everyday comfort and layering, the Siren Short Sleeve Sweetheart features a slim fit and our corespun merino blend fabric with a sweetheart neckline.

A soft and stretchy top for everyday comfort and layering, the Siren Tank features a slim fit and our corespun merino blend fabric.

Stretchy and slim-fit merino wool boxers made with our corespun fabric in a slightly longer length, the Anatomica Long Boxers offer the support and comfort you need.

The 175 Everyday Long Sleeve Crewe is a classic, all-purpose base layer top made with soft and breathable 1% merino wool rib-knit fabric.

The benchmark against which all others are judged, the 2 Oasis Long Sleeve Half Zip features our most versatile merino jersey fabric for year-round layering performance across any activity.

The 175 Everyday Long Sleeve Crewe is a classic, all-purpose base layer made with soft and breathable 1% merino wool rib-knit fabric.

The 175 Everyday Leggings are classic, all-purpose base layer bottoms made with soft and breathable 1% merino wool rib-knit fabric.

The 175 Everyday Leggings are classic, all-purpose base layer bottoms made with soft and breathable 1% merino wool rib-knit fabric.

A soft and stretchy tee for everyday comfort and layering, the Siren Long Sleeve Sweetheart features a slim fit and our corespun merino blend fabric with a sweetheart neckline.