Best products in the Functional undershirts category

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. Lenz Set of Merino

Layer of modern sportswear; merino wool; technical fibres for optimum moisture transport; odourless; short drying time; 57% polyamide / 41% merino wool / 2% elastane.

2. Odlo Set Active Warm Eco

Designed for cold weather, this set of technical underwear for kids consists of a top and a bottom. This carefully designed set stands for comfort and performance. It's made from recycled yarn and wicks moisture quickly to keep kids comfortable and warm all day long.

-Temperature Control System - Warm
-Excellent thermal insulation
-Breathable, anti-bacterial treatment
-Extremely soft feel
-Materials: 100% recycled polyester
-Care instructions: Wash at 40°C. No tumble dryer

3. Odlo Active Warm Eco

The Active Warm Eco Crew by Odlo is the perfect companion for your mountain sports activities. Functional longsleeve with excellent climate management and comfortable cut. 

4. Icebreaker Everyday

Whether worn alone on warm-weather hikes or as a next-to-skin layer for frigid days at the ski resort, the 175 Everyday Long Sleeve Crewe is a versatile year-round baselayer made with the 100% merino wool rib-knit fabric. With a flattering slim fit, and all-natural breathability and odor-resistance, this do-it-all top is perfect for any active adventure. 

5. Odlo Set Active Warm Eco Set

Don't let cold weather spoil your adventures in the snow - the Active Warm Eco Baselayer Set by ODLO keeps you cosy and warm. The functional underwear stores body heat and gives you a pleasant feeling of freshness thanks to optimal temperature equalisation. The moisture-wicking material made from recycled fibres uses ZeroScent technology to prevent unpleasant odours from developing. The set of long pants and long-sleeved top keeps you warm and dry even on strenuous mountain hikes. Enjoy the first-class comfort of the Active Warm Eco baselayer set. 

6. Icebreaker 200 Oasis

With seams carefully offset from the peak of your shoulder, you won't find any irritation from the straps of a heavy pack. All over flatlock seams prevent chafing and underarm gussets allow breathability where your body needs it. The Oasis Long Sleeve Crewe is your go-to adventure staple. 

7. Reima Lani

Thanks to the functional base layer set for children, your child can be active and go outside in any weather. Thanks to the Thermolite material, the set keeps children dry and warm because it effectively transports moisture from the skin to the outer layers. The set feels very comfortable against the skin and the soft, flat seams do not chafe. The longer, body contoured back panel provides extra protection for the lower back and the lightweight, elasticated waistband ensures a snug and comfortable fit. Ideal for combining with a mid-layer of warm fleece and functional outdoor clothing. 

8. X-Bionic Energizer 4.0

With its moderate compression, the X Bionic Energizer 4.0 Shirt Round Neck Men meets all the needs of demanding winter athletes who want to benefit from outstanding comfort and performance-optimizing thermoregulation at the same time. Its ultra-dense knit integrates 13 highly effective technologies. Functional zones with temperature-balancing and protective effects are precisely positioned to support your performance on chilly winter days without feeling constricted. At the chest, the patented 3D Bionic Sphere System is active, enhanced by Thermo Syphon technology: A 40 CM2 sweat absorption area and complex 3D structures and Y-shaped elements maximize air exchange, cooling when you sweat and warming when you freeze, now faster and more efficiently than ever. 

9. Odlo Eco

The enhanced thermal regulation and exceptional comfort of the Active X-Warm Eco long sleeve baselayer top make this versatile garment a winter weather essential for active women. The Active X-Warm range uses soft insulating pads to protect particularly sensitive areas of the body from the cold. It provides excellent insulation when the cold sets in, and superb moisture management properties ensure you stay warm and dry at all times. The recycled polyester fabric is environmentally friendly and kind to the skin, and has been integrated with Odlo's advanced ZeroScent technology for superior odour resistance. Thanks to the superior technology of the Active X-Warm Eco long sleeve baselayer top, all you have to focus on is the winter adventure ahead. 

10. Icebreaker Everyday Crewe

The 175gm Everyday Short Sleeve Crewe offers all the benefits of lightweight, breathable merino in a stretchy rib fabric that moves with you. Ideal for your year-round commute and adventures further afield, the classic Bodyfit tops are finished with forward set side seams and raglan seam construction. The ideal wardrobe staples for easy, comfortable insulation.