
Best Icebreaker products in the Functional underwear category
On this page you'll find a ranking of the best Icebreaker products in this category. To give you a quick overview, we've already ranked the most important information about the products for you.
1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. Icebreaker Kids 200 Oasis Leggings
The benchmark against which all others are measured, the Merino 200 Oasis Leggings, is icebreaker's best-selling base layer bottom for kids, harnessing the natural benefits of merino wool for milder winter days and year-round layering. The soft, breathable 200 g/m² merino jersey, the gusset construction, and flatlock seams ensure comfort and unrestricted freedom of movement without chafing. Inspired by nature, icebreaker leverages the functional properties of natural fibers to provide 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: 100% merino wool (excluding waistband) – a soft, lightweight, and naturally odor-resistant fiber that warms in cold and cools in warm conditions, gusset for freedom of movement and comfort, flatlock seams to prevent chafing.
The Merino 200 Oasis Leggings are made from our highly versatile merino jersey and serve as a functional layer for all activities throughout the year. 100% merino wool except for elastic waistband.
Wash gently in a cold wash cycle in the washing machine. Wash with similar colors. Do not use fabric softener. 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 elements. Do not dry clean.

Icebreaker Kids 200 Oasis Leggings
12
8. 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.

9. 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 serves as the perfect foundation for any cold-weather layering system. The Oasis fabric is not only insulating and highly breathable but 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.

10. Icebreaker Merino 125 Cool-Lite Anatomica Boxers
A stretchy and slim-fitting Merinomix boxer short made from icebreaker's breathable Cool-Lite™ jersey. The Merinomix Anatomica Cool-Lite™ boxer short offers the support and comfort you seek in everyday life. This ultra-lightweight boxer short is made from a durable and stretchy blend of natural merino wool and TENCEL™ lyocell, providing effective moisture management regardless of the weather. The slim fit with a gusset features a supportive, contoured pouch, while flat Merrow seams prevent chafing. Silky-soft merino wool and TENCEL™ lyocell, a sustainable, plastic-free lyocell fiber, are combined into icebreaker Cool-Lite™, a luxurious fabric that naturally regulates the body's microclimate. Inspired by nature, icebreaker harnesses the functional properties of natural fibers to offer an alternative to synthetic clothing.
Specifications: Cool-Lite™ - a lightweight and breathable material blend that cools and dries quickly, gusset for freedom of movement and comfort, contoured pouch for comfort, flat Merrow seams prevent chafing.
Material: 56% lyocell, 40% merino wool, 4% elastane, exclusive of elastic band.
Care instructions: Wash gently in a cold wash cycle in the 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.
