Icebreaker · Insulation
Lightweight merino midlayer designed for high-output cold-weather activity. Realfleece brushed merino offers warmth without added weight. Cool-Lite mesh underarms provide ventilation in key zones. Features thumb loops and a dipped hem for secure coverage. Flatlock seams and offset shoulders minimize friction under a pack. Includes a hidden zip chest pocket for small essentials. Naturally odor-resistant, moisture-wicking, and quick-drying.