The Super.natural Tundra 175 men's long-sleeve merino shirt combines superior natural thermoregulation with the durability of modern technical materials. Made from the advanced knit fabric Advanced Wool with a fabric weight of 175 g/m², it offers the ideal balance between reliable thermal insulation and lightweight comfort. With a total weight of only 218 g, it serves as a versatile active base layer that performs exceptionally well during intense athletic pursuits as well as for everyday wear throughout the year.

The hybrid blend of 50% merino wool and 50% polyester combines the best of both worlds. Fine merino fibres effectively regulate body temperature, breathe well, naturally resist unpleasant odours, and provide warmth even when damp. The added polyester significantly speeds up moisture wicking from the skin, ensures extremely fast drying, and gives the shirt high wear resistance and easy care.

A sophisticated close fit (Slim Fit) hugs the body nicely and allows complete freedom of movement while preventing bunching under additional clothing layers. Soft flatlock seams prevent chafing even when carrying a heavy backpack, while reinforced cuff hems ensure the sleeves always stay in place. This shirt is an essential piece for hiking, mountaineering, skiing, and running on colder days.