Men's functional underwear M CLASSIC THERMAL MERINO BL 3/4 BB by Smartwool is the perfect combination of performance and comfort for an active lifestyle. These underwear are made from Merino wool 250, which ensures genuine quality and exceptional properties for various outdoor activities.

Merino wool 250, which forms these underwear, is renowned for its maximum breathability and comfort. Whether you are planning all-day skiing, running or demanding hiking tours, these underwear will ensure that your skin feels pleasant temperature regulation and minimised odour.

A significant update is the new cut, which not only improves functionality but also contributes to the visual aspect. The inner elastic waistband is lined with merino material, which adds to comfort and ensures that the underwear fit perfectly and do not twist during movement.

The flat seam construction is designed to minimise any friction and risk of skin irritation. In size M, the inner seam length is 76 cm, which ensures a snug and yet comfortable fit.

The material of these underwear is made of 100% Merino wool, which guarantees quality and exceptional properties. With a weight of 228 g, they offer an appropriate layer of warmth without unnecessary burden. Regardless of your plans and activities, these underwear will become a reliable companion that will not let you down with its exceptional properties.

We offer a 30-day period for returning or exchanging goods if, for any reason, you are not satisfied with your order.

For more information, please see our Return Policy here.

Orders received by 14:00 are dispatched the same day. Delivery usually takes place on the next business day, depending on the selected shipping method. During busy periods, please allow 1–3 business days for order processing.

Free delivery from €200 / for oversized shipments from €400

Free of charge, ready for pickup on the next business day

For more information, please see our Delivery page.