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. 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. 

3. 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.

4. 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, so it needs to be washed less frequently. The elastic material adapts to every movement. 

5. Smartwool Ms 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 features of polyester, these boxer briefs are designed to keep you cool and dry while you engage in outdoor activities.

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

6. Army Shop Men's long thermal underwear

Underwear, no returns!

At Army Shop you will find functional underwear for discerning customers. Our sports underwear set for men is made with the special VILOFT® fibre technology. 100% German VILOFT®  technology is the only flat viscose fibre in the world. The unique shape of the fibres increases the fibre surface area by more than 50% and changes the structure of the yarn. This gives fabrics with VILOFT® their special properties and you benefit from extreme wearing comfort thanks to the flexibility of the fibres. As the VILOFT®  yarn consists of 70% air, the thermal underwear is breathable and feels very light.enjoy your new thermal underwear for sporting activities or simply in your free time.quality without compromise - functional underwear from the Army Shop! 

7. 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. 

8. Thmo 3er Pack Thermo Unterwäsche Hosen | Winter Funktionsunterwäsche

THMO - 3-Pack Long Thermal Underwear for Men: Stay warm and comfortable with THMO's long thermal underwear for men. This 3-pack offers essential warmth and comfort for colder weather, made from soft, breathable, and lightweight fabric. The long underwear provides excellent insulation without overheating, making it perfect for outdoor activities or lounging indoors. The elastic waistband ensures a secure fit and offers flexibility and comfort for any activity. Whether you're hiking, skiing, or relaxing at home, these long underwear will keep you warm and cozy all day long. The simple colors of black and white allow for easy pairing with other clothing for effortless style. The long underwear is available in four sizes: Medium, Large, X-Large, and XX-Large, accommodating various body types. Get this multipack for added comfort and value. Additional product details: Material: soft, breathable fabric. Sizes: Medium, Large, X-Large, XX-Large. Colors: Black, White. Includes: 3 pairs of long thermal underwear. Elastic waistband for secure fit. Machine washable. Ideal for staying warm and comfortable in colder temperatures, whether at home or on the go. 

9. 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. 

10. iXS 365

Seamless circular knitting technology for maximum wearing comfort. Ergonomic fit prevents unnecessary creasing. Wicks moisture away from the body and keeps you dry. Functional fibers and special knitting techniques ensure an optimal body climate. Suitable for all year round, keeping you warm on cold days and cool on warm days. 

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