Merino wool undershirt

Soft, midweight merino wool base layer that keeps you warm yet breathable, featuring a comfortable round neckline and long sleeves in deep navy. Ideal for layering during cold outdoor activities.

Navy blue long sleeve merino wool base layer shirt for men, providing warmth and comfort in cold weather conditions.

Lightweight, mid‑weight merino wool crew‑neck base layer in navy. Features breathable, moisture‑wicking fabric with natural temperature regulation and a comfortable fit for layering during outdoor activities.

Men's long sleeve thermal crew neck base layer made from merino wool for warmth and comfort.

Helly Hansen Junior Lifa Merino Midweight Base Layer Set in Navy color for size 176/16. Made of a blend of wool and synthetic fibers for moisture wicking, insulation, and breathability.

Stay warm on rugged trails with Helly Hansen’s Lifa Merino Midweight Crew, a navy long‑sleeve base layer that blends breathable merino wool and moisture‑wicking fabric for steady comfort during winter adventures.

Soft, breathable merino wool midlayer in green, featuring a half‑zip for easy ventilation. It offers moisture‑wicking comfort and excellent temperature regulation while remaining lightweight and versatile for layered wear.

Soft, breathable Merino wool midlayer with a half‑zip front, designed to wick moisture and keep you warm without bulk. The green fabric offers a sleek look while the slim fit stays comfortable under outerwear.