Merino is standard issue for next to skin insulation. It works with your body's own heating and cooling system to keep your core temperature where you want it. This heavier-weight top is a wonderful base layer in very cold weather. It works alone too
A warmer, midweight version of our best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 100% merino wool.
For all your cold-weather pursuits, your skin will love a base layer that offers warmth and breathability. This ZQ-certified Merino wool crew shirt does just that. On top of that, it’s designed with comfort and fit details that will leave you feeling grea
For all your cold-weather pursuits, your skin will love a baselayer that offers warmth and breathability. This ZQ-certified Merino wool crew shirt does just that. On top of that, it’s designed with comfort and fit details that will leave you feeling great
A versatile active top for year-round layering and everyday comfort, the 200 Oasis Long Sleeve Crewe is icebreaker's best-selling base layer, made with 100% merino wool. The soft merino jersey fabric is breathable, stretchy, and odor-resistant, and f
A warmer, midweight version of our best-selling Oasis, the 260 Tech Long Sleeve Crewe is a go-to piece for winter layering, made with 100% merino wool.
Our best selling, and warmest, baselayer, just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more comfort with a pack.
Features
100% Merino wool fabric made with an interlock knit for enh
Smartwool's updated the fit of their Women's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of their heaviest base layer tops and one of their best base layers for cold weather, this garment uses 100% r