Men's Merino 260 Quantum Long Sleeve Zip Hoodie
The fitted merino midlayer that turns Icebreaker from underwear specialist into mountain system brand.
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Story & heritage
Icebreaker's history is rooted in first layers, but the Quantum line is where the brand argues for a fuller mountain wardrobe. The official page positions this slim-fit zip hoodie as a mid layer for hiking, skiing and climbing, which gives it a more technical brief than the simpler Oasis pieces.
As a result, the Quantum reads like a natural next purchase for people who already trust Icebreaker against the skin and want the same merino logic one layer out.
Materials & craft
Official copy calls out 100% merino wool fabric with natural odour resistance and body-temperature regulation. The slim profile, hood and full zip turn those fiber properties into a true active midlayer rather than a lounge piece.
How to choose & style
This piece looks best when it stays purposeful. Wear it close over a base layer and under a shell, or let the athletic fit and hood define the silhouette with trim hiking pants.
