Undershirt | from 96 to 120

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.

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.

Mens cygne tank top made from wool and silk to give a temperature regulating quality, brought to you by Hanro of Switzerland.Made without side seams to eliminate chafing.Indulge in luxury today.

Windproof, water resistant and breathable - Windstopper fabric technology - Comfortable due to thermo-stretch functional material - Optimized flat seam placement for freedom of movement - Extended back section for splash protection

Experience the perfect blend of style and sustainability with Bikkembergs' Men's Pack of 2 Fashion Organic Cotton T-Shirts. Crafted in black, these medium-sized tees offer a sleek look while embracing eco-friendly materials.

Experience the perfect blend of style and sustainability with Bikkembergs' Mens Pack 2 Fashion Organic Cotton T-Shirts. Crafted from high-quality, eco-friendly organic cotton, these sleek black t-shirts offer comfort and elegance in a stylish package.

Experience effortless style with this XL black cotton tee, featuring a relaxed fit and breathable fabric that keeps you comfortable all day. The subtle logo adds a touch of understated elegance to any casual look.

A lightweight, mid‑weight merino long‑sleeve shirt featuring Helly Hansen’s Lifa® fabric for moisture management and warmth. The navy design includes a subtle logo, breathable knit, and ergonomic fit in size Large.

Stay warm and dry with Helly Hansen’s Lifa® Merino mid‑weight long sleeve, featuring breathable merino wool that wicks moisture, offers natural odor control, and provides lightweight insulation for active adventures.

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.

Stay warm and dry on any trail with this Odlo Blackcomb Eco women's long‑sleeve base layer in purple. The lightweight, breathable fabric wicks moisture while the snug fit keeps heat in, making it ideal for layering during cold workouts or outdoor adventures.