Icebreaker 260 Zone Long Sleeve Half Zip Men

The Icebreaker 260 Zone Long Sleeve Half Zip Men is a midweight wool base layer designed for cool to cold outdoor activities. It sits close to the skin to help regulate temperature and manage moisture as you move through changing conditions.

Crafted mainly from merino wool with a touch of elastane, this longsleeve combines stretch and natural temperature control. Sections of pure wool in high-wear areas add durability, while fine mesh panels keep air flowing where you need it most. Flatlock seams lie flat against the skin to reduce friction, and raglan sleeves give you full range of motion under a backpack or jacket. The slim fit follows your body without feeling restrictive.

Icebreaker’s BodyFitZone™ construction uses different knit patterns for targeted performance: thicker, tighter-knit areas around the torso trap warmth, while open-knit zones under the arms and along the sides boost ventilation. This zoned approach helps you stay comfortable whether you’re breaking a sweat on a climb or cooling down after a winter hike.