Best selling Functional underwear

Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.

1. Hi-Tec Thermoaktiv Set

The thermoactive underwear set for men, consisting of a sweatshirt and pants, offers an optimal solution for cold winter days and outdoor sports activities. Made from 100% polyester, the set is characterized by its thermal insulation and moisture-wicking properties, ensuring a comfortable wearing experience. The long cut of the pants and the leggings provide additional comfort and protection while allowing freedom of movement. This set is ideal for various sports, especially skiing, as well as for indoor training sessions. The black color gives it a timeless and versatile look that easily pairs with other clothing items. The Sorin set is designed for adults and is available in size L, making it a practical choice for active men who value functionality and style. Whether for sports or leisure, this underwear set is a reliable choice for the cold season. 

2. Smartwool Sport Boxer Brief

Our Merino Sport 150 Boxer Briefs for men are designed to perform well on all the paths and roads you traverse during your adventures. They feature a double front for added support, flatlock seams to reduce friction, and a wide, elastic waistband lined with Merino wool for extra comfort. Made from a fabric that combines the moisture-wicking, thermal-insulating, and odor-resistant properties of Merino wool with the durability and quick-drying capabilities of polyester, these boxer briefs are designed to keep you cool and dry while you enjoy your outdoor activities.

Weight: 76 g
Composition: Main Body: 56% Merino wool, 44% polyester. Back Panel: 54% Merino wool, 46% polyester. Exclusive of decoration.
 

3. Odlo Active Warm

The Active Warm Pants from Odlo are the ideal companion for your mountain sports activities. The breathable material ensures an optimal body climate. Even after very intense activities, the fabric dries quickly. The rapid moisture transport prevents the body from cooling down. The fabric is odor-neutralizing, so it needs to be washed less frequently. The elastic material supports every movement. 

4. Rohner Thermo Leggings

What makes our thermal leggings so special is their unique design, which offers outstanding warmth and comfort. You will love the velvety soft, lightweight material. You can use them as warm underwear leggings for winter sports and other outdoor activities in cold weather. 

5. Rukka Lucas

The Rukka men's Lucas merino thermal trousers are the perfect companion for outdoor activities in the cold season. Made from high-quality merino wool, these thermal trousers offer good insulation that keeps your legs warm without restricting your freedom of movement. Weighing just 200 g, they ensure optimum comfort for long hikes or other outdoor adventures. The elasticated waistband and leg cuffs offer a good fit and additional comfort. The trousers are also easy to care for and can be washed at 30°C on a wool cycle without losing their quality. 

6. Rukka Merlin

Merlin trousers. Merino underwear made from merino wool for those who like to stay warm. Ideal as a first layer for any outdoor adventure during the cold season.

7. Odlo Active X-Warm

The Active Warm Pants from Odlo are the ideal companion for your mountain sports activities. The breathable material ensures an optimal body climate. Even after very intense activities, the fabric dries quickly. The rapid moisture transport prevents the body from cooling down. The fabric is odor-neutralizing, meaning it needs to be washed less frequently. The elastic material adapts to every movement. 

8. Odlo Natural 200

The Natural Merino 200 Tights are made from exceptionally soft and warm mulesing-free merino wool with a weight of 200 g/m². Since the material is naturally thermoregulating and antimicrobial (i.e., odor-reducing), you can wear these functional underwear repeatedly, no matter what sport you pursue.

This incredibly versatile and comfortable base layer is manufactured with the highest precision in our factory in Europe.

Natural comfort for your next outdoor adventures.
 

9. Odlo Long Active Warm Eco

The Long Active Warm Eco trousers from Odlo are high-quality functional pants designed for mountain sports activities. They offer an optimum combination of thermal insulation and breathability, making them ideal for winter sports. Made from polyester, the material ensures a comfortable feel and quick drying, so that the trousers remain comfortable even during intensive activities. The flat seams minimise chafing and increase comfort, while the slim fit cut enables a close fit to the body. These trousers are not only functional, but also environmentally conscious, as they are produced under the Fair Wear commitment. They are a good choice for anyone who values performance and sustainability. 

10. Icebreaker Oasis

The 200 Oasis Leggings is the best-selling baselayer leggings. Made from 100% merino jersey, it is now even more comfortable thanks to an updated design. It provides the perfect foundation for any cold weather layering system. The Oasis fabric is not only insulating and highly breathable, but it also remains odor-neutral even after extended wear. The slim fit and gusset construction ensure unrestricted freedom of movement, while the soft elastic waistband and flat seams prevent any chafing. 

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