Base Layer Tops

100% Merino and 100% awesome, our Women's Intraknit™ Merino 250 Thermal Pattern 1/4 Zip takes comfortable warmth to the next level. Our Intraknit™ technology is helping us revolutionize the base layer industry—including 3D-mapping that results in a near-custom fit, durability, and freedom of movement. This thermal layer's engineered construction uses knit structures to enhance performance with a sophisticated finish, while insulating terry loops are seamlessly paired with mesh ventilation in gender-specific zones to balance warmth and breathability. To put it simply, this innovative top is one of our best base layers for cold weather adventuring—no matter what activities you're getting into.

Futuristic in its look, feel, and construction, our Women's Intraknit™ Merino 250 Thermal Pattern Hoodie wants to help elevate all of the winter action ahead of you. Our Intraknit™ technology is helping us revolutionize the base layer industry—including 3D-mapping that results in a near-custom fit, durability, and freedom of movement. This thermal layer's engineered construction uses knit structures to enhance performance with a sophisticated finish, while insulating terry loops are seamlessly paired with mesh ventilation in gender-specific zones to balance warmth and breathability. To put it simply, this innovative top is one of our best base layers for cold weather adventuring—no matter what activities you're getting into.

Made to move, the Cascade provides all the warmth of merino with a 4-way stretch. Cascade has been designed to keep its shape and last longer. Fit: Slim Features: + Straight hem + Flatlocked seams to prevent friction + Thumb loops. Fabric: Merino Flex Weight: 180gsm Blend: 81% Merino Wool 12% Nylon 7% Elastane

Made to move, the Cascade provides all the warmth of merino with a 4-way stretch. Cascade has been designed to keep its shape and last longer. Fit: Slim Features: + 1/4 Zip + Straight hem + Flatlocked seams to prevent friction + Thumb loops. Fabric: Merino Flex Weight: 180gsm Blend: 81% Merino Wool 12% Nylon 7% Elastane

Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability. We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer. Fit: Slim Features: + Half zip for ventilation + Raglan sleeves for ease of movement + Merino mesh underarm panels + Flatlocked seams to prevent friction + Thumb loops. Fabric: Merino Blend Weight: 250gsm Blend: 97% Merino Wool 3% Elastane

Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability. We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer. Fit: Slim Features: + Raglan sleeves for ease of movement + Merino mesh underarm panels + Thumb loops. Fabric: Merino Blend Weight: 250gsm Blend: 97% Merino Wool 3% Elastane

100% natural warmth. The technical performance of merino matched with uncompromised style, the Yotei can be worn on its own or over a baselayer. Made using our 100% Merino 200, which is warm, breathable and odour resistant. Fit: Standard Features: + Mons standard fit + Thumb loops. Fabric: 100% Merino Weight: 190gsm Blend: 100% Merino Wool

100% natural warmth. The technical performance of merino matched with uncompromised style, the Yotei can be worn on its own or over a baselayer. Made using our 100% Merino 200, which is warm, breathable and odour resistant Fit: Standard Features: + 100% Merino 200 + Mons standard fit + Long length + Funnel hood seals out the weather and fits seamlessly under a helmet + Thumb loops. Fabric: 100% Merino Weight: 190gsm Blend: 100% Merino Wool

Bella Tech is an active baselayer designed for multisport use. It is lightweight, has a slim fit silhouette and is packed with features to deliver performance in all conditions. Bella Tech uses our ultra-lite Merino Air-Con 140. Nature's climate control - It keeps you cool when you're hot, warm when its not. Fit: Slim Features: + Half zip hood for ease of venting + Breathable Merino Air-Con mesh back panel + Raglan sleeves for extra mobility + Dropped tail hem for extra coverage + Contoured side body + Thumb loops. Fabric: Merino Air-Con Weight: 140gsm Blend: 83% Merino Wool 13% Nylon 4% Elastane

Made to move, the Cascade provides all the warmth of merino with a 4-way stretch. Cascade has been designed to keep its shape and last longer. Fit: Slim Features: + Straight hem + Flatlocked seams to prevent friction + Thumb loops. Fabric: Merino Flex Weight: 180gsm Blend: 81% Merino Wool 12% Nylon 7% Elastane

Made to move, the Cascade provides all the warmth of merino with a 4-way stretch. Cascade has been designed to keep its shape and last longer. Fit: Slim Features: + 1/4 Zip + Straight hem + Flatlocked seams to prevent friction + Thumb loops. Fabric: Merino Flex Weight: 180gsm Blend: 81% Merino Wool 12% Nylon 7% Elastane

100% natural warmth. A performance firstlayer for mountain life. The Cornice is ready for any adventure and can be worn on its own or over a baselayer. Made using our 100% Merino 200, which is warm, breathable and odour resistant. Fit: Slim Features: + Double layer high neck + Drop tail for extra coverage + Thumb loops. Fabric: 100% Merino Weight: 190gsm Blend: 100% Merino Wool

Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability. We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer. Fit: Slim Features: + Half zip for ventilation + Raglan sleeves for ease of movement + Merino mesh underarm panels + Flatlocked seams to prevent friction + Thumb loops. Fabric: Merino Blend Weight: 250gsm Blend: 97% Merino Wool 3% Elastane

Designed for the coldest days and the biggest adventures, Olympus is our warmest baselayer offering unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability. We use midweight 250 merino wool with added elastane so that Olympus will keep its shape and last longer. Features: + 250 Midweight Merino is our warmest baselayer weight for the coldest conditions + Mons slim fit + Raglan sleeves for ease of movement + Merino mesh underarm panels + Funnel neck hood offers extra protection and warmth + Hood ponytail hole + Thumb loops. Fabric: Merino Single Jersey Weight: 250 Blend: 97% Merino Wool 3% Elastane

100% natural warmth. The technical performance of merino matched with uncompromised style, the Yotei can be worn on its own or over a baselayer. Made using our 100% Merino, which is warm, breathable and odour resistant. Fit: Standard Features: + Mons standard fit + Long length + Merino neck tube gives ultimate protection and softness next to skin + Thumb loops. Fabric: 100% Merino Weight: 190gsm Blend: 100% Merino Wool