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. 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.
2. Icebreaker Core Boxers
The Merino Core Boxers are stretchy and body-hugging boxers designed for everyday wear, made from a highly breathable blend of TENCEL™ and merino wool. The TENCEL™ jersey fabric keeps you naturally cool, comfortable, and odor-free, while a touch of bio-based elastane ensures a stretchy performance fit. The flat seam construction prevents chafing, and the ergonomically shaped gusset provides additional comfort and support. Inspired by nature, icebreaker harnesses 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, allowing the skin to breathe and providing comfort from morning to night, every day.
Specifications: Merino TENCEL™ Lyocell™ jersey fabric, a blend of soft merino fibers, plant-based TENCEL™ Lyocell™, and elastane that delivers comfort all day long, flat seams to prevent chafing, ergonomically shaped gusset for comfort. A stretchy and body-hugging boxer for everyday wear, the Merino Core Boxers keep you naturally cool, comfortable, and odor-free. 89% Lyocell, 6% elastane, 5% wool.
Washing instructions: Wash gently in cold water 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.
3. Icebreaker Everyday
The Icebreaker Men's 175 Everyday Boxers are the perfect companion for your mountain sports activities. The breathable material ensures an optimal body climate. The boxers are made from warming merino wool, making them highly breathable and long-lasting in terms of odor neutrality. Even after very intense activities, the fabric dries quickly. The fabric is odor-neutralizing, so it needs to be washed less frequently. The boxers are particularly skin-friendly.
4. Icebreaker Leggings
The Merino Blend Core Midweight Leggings is a versatile, everyday base layer bottom for any cold-weather activity. The leggings are made from a stretchy jersey blend of soft merino wool fibers and TENCEL™ Lyocell, featuring a gusset that allows for dynamic freedom of movement. Continuous flatlock seams prevent chafing while you’re on the move. Inspired by nature, icebreaker utilizes the performance features of natural fibers to provide an alternative to clothing made from petrochemical synthetic fibers. Merino wool is an annually renewable fiber that is naturally odor-resistant, cools in heat, warms in cold, and allows the skin to breathe, ensuring comfort throughout the day.
Specifications: Midweight Merino TENCEL™ Lyocell jersey – a blend of soft merino wool and TENCEL™ Lyocell that provides comfort all day long, flatlock seams to reduce friction, a gusset for increased freedom of movement and comfort, a flat elastic waistband for minimal interference, and a close-to-body fit. The Merino Blend Core Midweight Leggings is a versatile, everyday base layer for cold-weather activities, offering warmth and comfort thanks to the blend of merino wool and TENCEL™ Lyocell.
Material: 82% TENCEL™ Lyocell, 14% merino wool, 4% elastane, exclusive of decoration and elastic. Care instructions: Wash gently in 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 print. Do not iron decorative parts. Do not dry clean.
5. Icebreaker Core
These stretchy, slim-fit boxer shorts for everyday wear are made from a highly breathable blend of Tencel and merino wool and keep you naturally cool, comfortable and odour-free.
6. Ortovox Essential
Always there, essential in the mountains! Underwear reimagined: Naturally, functional, and super comfortable for sporty days in the mountains.
The 150 Essential Trunks for men are designed for mountain sports enthusiasts: Whether it's alpine climbing on high walls, sweaty high-altitude tours in summer, or challenging ski tours in winter, the 150 Essential Trunks move with you, ensure a good climate, and provide a pleasant wearing experience. The high proportion of fine merino wool offers ideal moisture management and naturally neutralizes odors. The lightweight, plant-based TENCEL Lyocell fibers provide a cooling effect during intense activities. The elastane content guarantees a perfect fit. With a material thickness of 150 g/m², mountain athletes are well-equipped for a wide temperature range. A cool design and fresh colors perfectly complement the durable and long-lasting underwear, ensuring a good mood. For cool athletes who love to experience the mountains sportily in every season and want to rely 100% on their underwear.
7. Ortovox Women's Fleece Light Short Pants
The Fleece Light Short Pants for women keep you pleasantly warm on icy days while freeriding or ski touring.
The Tasmanian merino wool, with its fine wool fibers, makes the lightweight ¾ pants particularly soft and provides a comfortable feel against the skin. On the inside, a special waffle structure ensures optimal moisture transport, resulting in a warm, dry sensation—even in extreme cold and after strenuous ascents.
Thanks to its regular-fit design and high stretch capability, the lightweight three-quarter pants offer ideal wearing comfort. The elastic waistband ensures that the Fleece Light Short Pants for women fit perfectly even during intense activities. A snug, functional companion for cold touring and freeride days in alpine terrain!.
8. Icebreaker 175 Everyday
The 175 Everyday Boxers from Icebreaker are the perfect companion for your mountain sports activities. The breathable material ensures an optimal body climate. The boxers are made from warming merino wool and are therefore very breathable and odour-neutral for a long time. The fabric dries very quickly even after very intensive activities. The fabric is odour-neutralising and therefore needs to be washed less frequently. The boxers are particularly skin-friendly.
9. Ortovox 230 Competition Long Pants
The 230 Competition Long Pants for men help you achieve peak athletic performance in a new look – whether you're ski touring, freeriding, or on high-altitude expeditions. The 230 Competition line is seamlessly crafted using circular knitting to ensure that every body zone is catered to with the right thickness of merino wool during exertion and cold. The ribbed structure with 190 g/m² merino provides the functional shirt with elasticity for maximum freedom of movement. A particularly breathable mesh structure is used in heat spots, while sensitive areas like the kidney region are warmed by the thicker 240 g/m² wool. This body mapping principle ensures a close-fitting design with maximum ventilation. The fine merino fibers, with a diameter of just 16.5 microns, feel pleasantly soft against the skin, and the functional shirt is also quick-drying and highly durable. The new gradient from light to dark is created by incorporating melange yarn, giving the functional shirt a unique pattern thanks to the body mapping structure. Thus, the 230 Competition Long Pants for men also visually perform at their best!.
10. Icebreaker Boxers
The Merino Core boxer shorts are a stretchy and close-fitting boxer shorts for every day, made from a highly breathable blend of Tencel and merino wool. The Tencel jersey fabric keeps you naturally cool, comfortable and odour-free, while some bio-based elastane provides a stretchy performance fit. The full-length finish with flat seams prevents chafing and the ergonomically shaped crotch offers additional comfort and support. Inspired by nature, icebreaker harnesses the functional properties of natural fibres to offer an alternative to synthetic clothing. Merino wool is an annually renewable fibre that naturally counteracts odours. It cools in the heat and warms in the cold, allows the skin to breathe and ensures comfort from morning to night, every day.
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