Icebreaker Men's Zoneknit 260 Long Sleeve Half Zip Base Layer Top – 53 Degrees North

A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Half Zip feature 100% pure and natural merino wool.

Women's Tops

Icebreaker 260 Zone Long-Sleeve Half Zip Top - Men's - Clothing

A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Crewe features

Men's 260 ZoneKnit™ Merino Long Sleeve Crewe Thermal Top

Icebreaker – 53 Degrees North

Women's Base Layers

Icebreaker Merino 260 Tech Long-Sleeve Half-Zip Thermal Top

Humangear & Icebreaker & Trango

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100% Merino Wool Imported Updated design Zip neck collar for temperature regulation Offset shoulder seams prevent pack rub Flatlock seams prevent

Icebreaker, 260 Tech 1/2-Zip Long-Sleeve Top - Men's

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Icebreaker Men's Zoneknit 260 Long Sleeve Half Zip Base Layer Top

A midweight merino base layer top designed to help regulate temperature during high-intensity activity, the 200 ZoneKnit™ Long Sleeve Half Zip

Men's 200 ZoneKnit™ Merino Long Sleeve Half Zip Thermal Top