Icebreaker Women's Merino 260 Tech LS Half Zip (Midnight Navy)

An incredibly warm merino base layer for the coldest months of the year, this Icebreaker Women’s Merino 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering—ideal for skiing, snowshoeing and other cold-weather pursuits.

Made from odor-resistant 100% merino wool jersey, the 260 Tech offers premium softness, warmth, and breathability. It’s soft, comfortable, and moisture-wicking, providing a warmer upgrade to Icebreaker’s best-selling Oasis.

The classic half-zip design allows for easy layering and quick temperature regulation and the gusseted underarms provide ample range of motion. Flatlock stitching and offset seams throughout makes for a soft next-to-skin feel.

Check out this Icebreaker Women’s Merino 260 Tech LS Half Zip video to see how it fits.

Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fiber that naturally resists odors, keeps you cool when it’s hot and warm when it’s not, and lets your skin breathe for comfort all day, every day.

• 100% Merino Fabric – soft, lightweight, itch-free and naturally odour resistant fibre that keeps you warm when it's cold and cool when it's warm
• Wicks moisture from the skin, has excellent breathability, controls temperature, insulates even when wet, transpiration odour resistant
• Zip neck collar for temperature regulation
• Gusseted underarms for mobility and comfort
• Offset shoulder seams prevent pack rub
• Flatlock seams to help reduce friction
• Feminine, slim fit