Top-rated products in the Functional underwear category

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

1. Icebreaker Anatomica

A stretchy and form-fitting Merino blend boxer short made from icebreaker's Corespun fabric, the Merino 150 Anatomica Boxer provides optimal support and comfort for everyday wear and adventures. The distinctive icebreaker fit is characterized by Merino fibers spun around nylon using the Corespun method, creating a fabric with a soft feel. Inspired by nature, icebreaker utilizes the functional properties of natural fibers to offer an alternative to synthetic clothing. Merino wool is an annually renewable fiber that naturally resists odor. It cools in heat and warms in cold, allows the skin to breathe, and ensures long-lasting comfort.

Specifications:
Corespun Merino - a Merino blend that regulates body temperature in all weather conditions, contoured pouch for comfort, flat seams to prevent chafing. An elastic and slim-cut boxer short made from a Merino blend processed into a soft and durable fabric using our Corespun technology. The Merino 150 Anatomica Boxer provides the support and comfort you seek.

Material: 83% Merino wool, 12% nylon, 5% elastane.

Care instructions: Wash gently in a cold wash cycle in the washing machine. Wash with similar colors. Do not use fabric softeners. Do not bleach. Do not tumble dry. Hang to dry in the shade. Do not iron hot. Do not iron prints. Do not iron decorative parts. Do not dry clean.
 

2. 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. 

3. Odlo Active Warm

The Active Warm Pants from Odlo are the perfect 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. 

4. SAXX Underwear Kinetic HD Boxer Brief

The Men's Kinetic HD Boxer Brief by SAXX Underwear is the perfect 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 highly odor-neutralizing, so it needs to be washed less frequently. The elastic material moves with you in every movement. This item is ideal for trail running. 

5. X-Bionic Energizer

With their moderate compression, the Energizer 4.0 Pants from X-Bionic meet all the needs of demanding winter sports enthusiasts who want to benefit from outstanding comfort and performance-enhancing thermoregulation. They are made from an ultra-dense knit that integrates 13 highly effective technologies. Functional zones with temperature-regulating and protective effects are precisely positioned to support your performance on cool winter days without feeling constricted. The legendary, patented 3D Bionic Sphere System is enhanced by ThermoSyphon technology: complex 3D structures and Y-shaped elements maximize air exchange, cooling you when you sweat and warming you when you’re cold – now faster and more efficiently than ever. 

X-Bionic Energizer
Functional underwear
−15%
only 1 of 4 remaining on sale
CHF51.90 was CHF60.80

X-Bionic Energizer

6. SAXX Underwear Vibe Boxer

The Men's Vibe Boxer is perfectly suitable for everyday wear. The product was manufactured by SAXX Underwear. The target group is men.

7. Icebreaker Tech

Midweight Merino Baselayer Leggings for women, perfect for skiing, hiking, and layering in winter. The 260 Tech Leggings are functional long underwear with a gusset, designed to be breathable and odor-resistant. A warmer midweight version of the best-selling Oasis Leggings, ideal for very cold days while hiking or skiing. The 260 Tech Leggings are made from improved 100% Merino jersey, which is wonderfully soft against the skin, insulating, and highly breathable. The leggings feature a gusset for unrestricted freedom of movement and flat seams to prevent chafing. 

8. Icebreaker Tech Leggings

A warmer midweight version of the best-selling Oasis leggings, perfect for very cold days while hiking or skiing. The 260 Tech leggings made from enhanced 100% Merino jersey are wonderfully soft against the skin, insulating, and highly breathable. The leggings feature a gusset for unrestricted freedom of movement and flat seams to prevent chafing. 

9. Craft Pro Control Compression Short Tights Uni

When you feel good, it enhances your performance. These functional compression shorts are made from an advanced body-control fabric that concentrates muscle power and contributes to optimal performance. The result is a unique sensation where you experience your body being held together as a powerful whole – ready to work at maximum capacity. Close, ergonomic fit with a shaped waistband.

• Body-control provides light compression and reduces muscle vibrations
• Excellent moisture management
• Wide waistband for a great fit and high comfort.
 

10. UYN 3/4 thermal trousers Evolutyon

Breathable, ergonomic, and comfortable: This is what the UYN Evolutyon men's underwear with mid-length pants stands for, made from Natex, a nylon fiber that is 100% biologically based for ideal climate management. Coolvent allows for a constant airflow, with channels running through the inner surface. This way, the pants absorb sweat and cool during movement. They respond precisely to the needs of athletes – including Durafit: the construction and material are designed for high durability and thermal insulation at the exposed, particularly stressed knees. The ¾ pants are perfect for sweat-inducing, intensive sessions, especially in the fall or on warmer winter days.