
Best selling Functional underwear from Hi-Tec
On this page you’ll find a ranking of the best Functional underwear from Hi-Tec. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
1. Hi-Tec Thermoaktive Hose Surim Bottom
The thermoactive Surim Bottom pants from Hi-Tec are specially designed functional underwear for women that offers both comfort and functionality. These pants feature a close-fitting cut and a seamless construction that ensures an optimal fit and minimizes friction. The flexible material, made from a high-quality blend of nylon, polyester, and elastane, provides pleasant freedom of movement and effectively retains body heat. The pants are ideal for outdoor activities and can be worn year-round. With their flat seam processing, they offer additional comfort and prevent uncomfortable pressure points. The Surim Bottom is therefore the perfect choice for active women who value functionality and wearing comfort.
- Seamless construction for maximum comfort
- Flexible material for optimal freedom of movement
- Flat seams to avoid friction
- Ideal for year-round outdoor activities.

2. Hi-Tec Herren-Thermohose aus Surim Bottom
The men's thermal pants made from Surim Bottom by Hi-Tec are a high-quality functional base layer designed specifically for active adults. They are composed of an optimal material blend of 90% polyester and 10% elastane, ensuring excellent breathability and freedom of movement. These thermal pants are ideal as a base layer or functional layer and provide additional comfort during sports activities or in cooler environments due to their quick-drying properties. The long leg length and elastic material ensure a perfect fit and high wearing comfort. The pants are available in classic black, making them versatile for pairing with other clothing. Made in Poland, they meet high quality standards and are tailored to the needs of men. These thermal pants are a practical addition to any sports or outdoor wardrobe and are suitable for both everyday wear and specific outdoor activities.

3. Hi-Tec Thermoaktiv Set
The thermoactive underwear set for men, consisting of a sweatshirt and trousers, offers an ideal solution for cold winter days. Made from polyester, the set is characterised by its thermal insulation and moisture-wicking properties, which make it comfortable to wear during indoor training. The long trouser length and comfortable fit make it ideal for sporting activities or relaxing days at home. The set comes in a classic black colour and is suitable for adults who value functionality and comfort. It is suitable for the winter season and offers the necessary warmth to stay active even in cooler temperatures. The combination of sweatshirt and trousers provides continuous thermal insulation, making it a practical addition to any sports wardrobe. The Sorin set is not only functional, but also versatile, whether for sport or leisure.

4. Hi-Tec Men's thermal underwear set KAMO SET black and grey S. XXL
The KAMO SET men's thermal underwear offers an optimal combination of freedom of movement and thermal comfort. Made from lightweight and elastic fabric, it provides a comfortable fit and allows unrestricted movement. The special polyester composition ensures high durability and resilience, while the quick-drying material effectively wicks away moisture. This set is ideal for active individuals who do not want to compromise on comfort even in cooler temperatures. The simple color scheme in black and gray makes it a versatile choice for various occasions. Whether for sports, hiking, or simply as an additional layer under everyday clothing, the KAMO SET is a practical addition to any wardrobe. It is designed for adult men and is available in size XXL to ensure a comfortable fit.

5. Hi-Tec Thermoaktive Leggings mit Rair Bottom-Sohle
The thermoactive leggings with Rair bottom sole from Hi-Tec offer an optimal combination of functionality and comfort for outdoor activities. Made from a high-quality blend of materials that includes 56% nylon, 36% polyester, and 8% elastane, these leggings ensure excellent breathability and flexibility. The flat seams minimize friction and enhance wearing comfort, while the quick-drying properties make the leggings comfortable to wear even during intense activities. Designed specifically for adults, they are ideal as a base layer or functional layer. They provide long-lasting performance and are perfect for athletic challenges outdoors.
- Breathable material for optimal wearing comfort
- Quick-drying for active use
- Flat seams reduce friction and increase comfort
- Flexible fit for unrestricted freedom of movement.

6. Hi-Tec Kamo Set Thermounterwäsche
Hi-Tec Kamo Set M thermal underwear properties: Hi-Tec Kamo thermal underwear is a set for people who want to be active regardless of the weather conditions outside. Don't let the cold and wind stop you! Thermal underwear from the renowned outdoor equipment manufacturer Hi-Tec will provide you with the right comfort and convenience. The most important features of Hi-Tec Kamo underwear include being thermoactive, effectively wicking away moisture, fitting perfectly to the body without restricting movement, and being anti-allergic and anti-odor. It is also quick-drying.
Material: 100% polyester. Both pieces of the set are made of high-quality Cool Comfort fabric, known for its elasticity, comfort, and lightness. During exercise, your skin will be able to breathe while maintaining your natural body temperature at an optimal level. The elastic fabric fits the body well and clings tightly over its entire surface, ensuring that the underwear does not roll up and does not restrict movement when worn under outer clothing. The set is sold in aesthetic packaging.

7. Hi-Tec Thermo Active Underwear Pants Kids Leggings Hikro Bottom Jrb Size 158
Thermoactive Hi-Tec long underwear with seamless technology made from breathable fabric. The inner layer quickly wicks moisture away from the skin, keeping it dry even during intense physical activity. The outer layer provides thermal insulation and helps maintain an optimal body temperature, preventing the body from cooling down. Pressure-free cuffs at the ankles and hips reduce the risk of cold air entering under the fabric. Wide zones ensure a perfect fit and guarantee freedom of movement. The irritation-free knitted fabric is bacteriostatic and inhibits the development of unpleasant odors. Material composition: 66% polyester, 23% nylon, 11% elastane – breathable, quick-drying, seamless.

Hi-Tec Thermo Active Underwear Pants Kids Leggings Hikro Bottom Jrb Size 158
8. Hi-Tec Thermo Active Underwear Pants Kids Leggings Hikro Bottom Jr Size 140
Thermoactive long underwear from Hi-Tec, made with seamless technology from breathable fabric. The inner layer quickly wicks moisture away from the skin, keeping it dry even during intense exertion. The outer layer provides thermal insulation and helps maintain an optimal body temperature, preventing the body from cooling down. The ankle and hip design reduces the risk of cold air entering under the fabric. Wide zones ensure a perfect fit and guarantee freedom of movement. The fabric is bacteriostatic, inhibiting the formation of unpleasant odors. Breathable, quick-drying, seamless.

Hi-Tec Thermo Active Underwear Pants Kids Leggings Hikro Bottom Jr Size 140
140, 152
9. Hi-Tec Ikar Bottom black men's pants
The Ikar Bottom black men's underwear is a high-quality garment specifically designed for adults. It features a long cut and is made from a thoughtful material composition that includes 56% nylon, 36% polyester, and 8% elastane. This combination ensures a comfortable fit and high wearing comfort. The underwear is characterized by its breathable properties, allowing for optimal air circulation and providing a pleasant wearing experience even during active movements. Additionally, the material is moisture-wicking and quick-drying, making it ideal for everyday use or sports activities. The Ikar Bottom is available in the color black and offers a modern and timeless look. It comes in size XXL, making it suitable for a variety of body shapes. Made in Poland, this underwear combines functionality and style, making it a practical addition to any wardrobe.

10. Hi-Tec Thermoaktive Leggings LUNE PANT
The exceptionally soft and pleasant to the touch brushed lining makes the Lune Pant provide a feeling of luxury even in the most demanding conditions. You can rely on them when it gets really cold.
Properties:
Composition: 91% polyester, 9% elastane
Weight: 231 g/m2
4-way stretch material allows for a wide range of movement
Soft-touch, brushed lining
Flat seams reduce chafing
Slim fit.
