Top 9 Mens Merino Base Layer Leggings UK – Men’s Thermal Bottoms

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1. Brass Monkeys

Black, Made in New Zealand from Base Layer Leggings Underwear, Brass Monkeys 100% Merino Wool Men's Long John Thermal Pants, Medium Size

Brass Monkeys - High wicking & fast drying – these long john pants will keep you warm even when wet, it also dries super quickly to help regulate your body temperature.

Made in new zealand – ethically sourced & manufactured in New Zealand. Designed for extra warmth – slim fit, high waist for extra protection against the elements & a gusset for greater maneuverability. Odour resistant – natural antibacterial properties mean you can wear it multiple times without needing to wash. Incredibly soft & comfortable – we select only the finest merino wool to ensure softness against your skin with no itch.
BrandBrass Monkeys
ManufacturerBrass Monkeys
Part NumberBM002BLACKMEDIUM

2. Icebreaker

175 Ultralight Fabric, XXL, Icebreaker Men's 100% Merino Wool Everyday Base Layer Leggings with Fly, Black

Icebreaker - Soft merino fibers that regulates body temperature in all weather conditions and resists odors. Featuring icebreaker's 175gm merino rib fabric and a contoured slim fit for smooth layering, soft comfort, and moisture-wicking performance, the Everyday Leggings are ready for any active day outside.

Inspired by nature, icebreaker harnesses the performance qualities of natural fibers to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fiber that naturally resists odors, and lets your skin breathe for comfort all day, keeps you cool when it’s hot and warm when it’s not, every day. All-purpose, 100% pure merino wool, year-round base layer bottoms made with super-soft, the 175 Everyday Leggings with Fly are perfect for everything from summer nights in camp to frigid days at the ski resort.
BrandIcebreaker
ManufacturerIcebreaker
Height5 cm (1.97 Inches)
Length30 cm (11.81 Inches)
Weight0.25 kg (0.56 Pounds)
Width20 cm (7.87 Inches)
Part Number104510
Model104510

3. Nomad

Mud, Nomad Men's Standard Durawool Legging | Quick Drying Merino Wool Base Layer, X-Large

Nomad - Durawool legging | Quick Drying Merino Wool Base Layer. Merino wool: constructed from 170 GSM merino wool that provides 4-way stretch for superior comfort and movement.

Highly breathable: durawool Base layer is moisture wicking and quick drying providing superior thermo-regulation and protection against the weather and elements. Moisture management: keeping dry is critical to keeping warm when hunting - this hunting pant's material has hydrophobic qualities to transports water & sweat away from the skin. Nomad: building the most innovative, authentic hunting apparel to inspire a community to experience & protect the traditions of hunting and to empower everyone on their next expedition.
BrandNomad
ManufacturerNomad
Weight0.18 kg (0.4 Pounds)
Part NumberN5000063
ModelN5000063

4. Relaxsan

Relaxsan Zero 3000 Black, L Men's Thermal Long Johns Breathable Base Layer Leggings in Dryarn Fiber and Merino Wool

Relaxsan - Lightweight and breathable - relaxsan zero garments are made of dryarn fibre, giving unbeatable lightness and breathability. The outer part in merino wool provides protection and warmth, while the inner Dryarn fibre makes the cloth comfortable on contact with skin.

Comfort and resistance - the seamless fabric guarantees maximum comfort and, thanks to the small elastic component, RelaxSan Zero adapts softly and comfortably to the body. This helps you cope with temperature changes and prevents cold air from passing between skin and fabric. Double layer - the double layer of fabric gives the garment a better fit and increases their daily comfort. It prevents changes in temperature caused by sudden changes in the climate typical of the middle seasons. 100% made in italy - the relaxsan zero line has been designed, manufactured and packaged in Italy using the highest technologies and finest RelaxSan materials.

Light warm - thermal leggings for men ultralight in merino wool and Dryarn fiber - This 150 gr/m2 fabric is ideal as a first layer under everyday clothing or sport activities during seasons without extreme temperatures. Its exclusive thermoregulating function helps the fabric quickly transfer the moisture generated by the body to the outside of the garment, leaving the skin dry and thermoregulated.
BrandRelaxsan
ModelLEGULMZRX/CONF_0240002

5. Regatta

FR: 2XL Manufacturer's Size: XXL, Regatta Men's Insulated and Soft Merino Wool Leggings Zimba with Anti-Bacterial Odour Control Treatment Base Layer Ash

Regatta - Natural odour control. Merino wool blend - 50% Merino / 50% Polyester. Good moisture transfer from the body. Super soft touch.
BrandRegatta
ManufacturerREGLC|#Regatta
Weight0.16 kg (0.36 Pounds)
Part NumberRMU034_Ash_XXL
ModelRMU034

6. Mountain Warehouse

For Camping in Winter Black M, Mountain Warehouse Mens Merino Thermal Base Layer Trousers, Breathable Bottoms, Lightweight Mens Pants, Antibacterial

Mountain Warehouse - Lightweight - comfortable to wear and ideal for active use. Breathable - the fabric allows perspiration to pass out of the garment, keeping you cool and comfortable. Elastic waistband - For improved fit and comfort. High wicking - actively wicks moisture away from the skin, keeping you dry and comfortable. Merino - very warm high quality wool which is naturally antibacterial properties to keep you fresher for longer.
BrandMountain Warehouse
ManufacturerMountain Warehouse
Height1 cm (0.39 Inches)
Length1 cm (0.39 Inches)
Width1 cm (0.39 Inches)
Part Number024568005004

7. SUB ZERO

Medium, SUB ZERO Seamless Merino Wool Thermal Underwear Base Layer Long John Leggings Pants Black

SUB ZERO - State of the art seamless knitting technology produces a garment without any seams. Award winning design made exclusively in Great Britain. Manufactured form super soft natural Spanish merino wool. Integrated no seam stretch rib zones for extra support and insulation. High rise back with a low profile soft elasticated waist band.
BrandSUB ZERO
ManufacturerSub Zero Technology Ltd

8. EDZ

Grey, EDZ 200gsm Merino Wool Base Layer Leggings XL

EDZ - Boxer style flat waist band. 200g fabric weight. Flat seams. With fly opening. Superfine merino wool.
BrandEDZ
ManufacturerEDZ
Weight0 kg (0 Pounds)
Part NumberEDZ051105
ModelEDZ051105

9. Canterbury

Men’s, Canterbury CCC Thermoreg Leggings, Base Layer Thermal, Compression

Canterbury - Thermoreg is ideal for heat retention and thermal regulation. It will keep you going when the going gets tough. Odor neutralizing: an antibacterial finish makes it tough for odour to cling, while the quick drying fabric means they're ready faster after a wash.

We apply a combination of respect for history and forward-looking product development across all of our ranges. Cold-weather performance: these leggings are engineered to make training, workouts and cheering the team from the stands more comfortable, because life doesn't stop when the weather turns. Relentless drive: for over a century canterbury has dedicated itself to making stylish, crafted products that are built to last. Where tradition meets design – that’s where you'll find Canterbury.

Quick drying fabric also means you can wash today and wear tomorrow, ideal for busy schedules and regular sessions. Quick dry technology: from the moment they're warming up to after the game, it'll keep you feeling dry too by wicking away sweat from the skin and quickly drying off. Hugs the body: the compression fabric is engineered to fit snugly and hug the body, making it the perfect bottom layer. We take our responsibility to the game very seriously.
BrandCanterbury
ManufacturerCanterbury
Height40 cm (15.75 Inches)
Length60 cm (23.62 Inches)
Weight0 kg (0.01 Pounds)
Width40 cm (15.75 Inches)
Part NumberE512740-989-XL
ModelE512740-989-XL