Top 8 Merino Base Layer Top UK – Men’s Activewear

As an Amazon Associate I earn from qualifying purchases.

1. Extreme Essentials

Climbing, Flat seams, Mens Short Sleeve, Cycling, T-Shirt Lightweight top, Trekking, Close Fit Merino Base Layer / Baselayer, Hard wearing | Ideal for Hiking, antibacterial, Quick drying

Extreme Essentials - Merino wool for its uv protection and heat regulation and a mix of Thermocool and Thermolite fibre for its warmth, ability to dry quickly, lightness and durability.

The optimum mix of fibres gives you the best of both worlds. Our short sleeve baselayers have a curved hem to keep you tucked in and prevent ‘ride-up’ so you know in even the worst conditions you will not suffer from cold spots. Durable enough to take on the most extreme activities. All our baselayers come with raglan sleeve and flatlock stitched seams to there is very little chance of chafing even when you have had a long day. The natural resistance that merino wool has to bacterial build up means that even on the longest days you will be hard pushed to notice any odour.
BrandExtreme Essentials

2. Extreme Essentials

Trekking, Flat Seams, Extreme Essentials Mens Long Sleeve, Lightweight top, Hiking, Close Fit Merino Base Layer/Baselayer, Quick Drying, Antibacterial, Hard Wearing | Ideal for Skiing, Cycling

Extreme Essentials - Raglan sleeve and flat seams to prevent chafing. Naturally odour resistant to keep smells away on even the longest days. Longer back than any other baselayer to prevent ‘ride-up’ and cold spots. Premium quality blend of fibres for the perfect baselayer fabric. Durable enough to take on the most extreme activities.
BrandExtreme Essentials
Weight0.25 kg (0.55 Pounds)
Part NumberEE-UDFMB
ModelEE-UDFMB

3. Icebreaker

Large, Icebreaker Women's 175 Everyday Base Layer Short Sleeve Crew Neck Top, Black

Icebreaker - Feminine crew neck. Slim fit, breathable and comfortable. Rib fabric provides stretch and comfort. Short sleeves crew base layer. Made with 100 percent Merino wool.
BrandIcebreaker
ManufacturerIcebreaker
Height3 cm (1.18 Inches)
Length36.5 cm (14.37 Inches)
Weight0.18 kg (0.41 Pounds)
Width28.5 cm (11.22 Inches)
Part Number104470001L-001-L
Model104470
Warranty2 Years

4. Thermowave

Wicking Thermal Base Layer Long Sleeve, Thermowave Xtreme Mens Merino Wool Base Layer Turtle Neck ½ Zip, 220 GSM Ultra Soft Thermal Underwear for Top Performance, - XL

Thermowave - The quality of your merino base layer shirt matters, thermowave Merino Xtreme uses premium class Merino wool sourced from farms in New Zealand, just like the origin of the wool itself. This long underwear thermal mens top's snug fit design and extra long back keep you warm no matter what.

The thermowave merino xtreme base layer wicking mens shirt is super soft and, thanks to flat seams - itch-free, suitable for sensitive skin. Even more comfort. Made to perform - ½ lockable zip & turtle neck. Perfect choice for busy people who put the quality of their gear first. Premium merino wool shirt. Next-level merino thermal base layer. Long-lasting quality. Better insulation. Being one of the best, this mens Merino base layer top is machine-washable, doesn't wear out easily, and is easy to take care of.

It's built to withstand a lot. Made in europe, the best wool we have tried. Made of supreme fabric, a mix of natural and man-made materials, this 220 gsm merino base layer mens midweight thermal shirt with turtle neck and half-zip features: 80% Merino wool, 20% polyamide, 100% polyester inside. Made for better, breathable and odor-free performance.
BrandThermowave
ManufacturerThermowave

5. Mountain Warehouse

Lightweight Jumper, Great for Winter Black M, Warm, Mountain Warehouse Merino Mens Long Sleeve Thermal Baselayer Top, Antibacterial & Quick Drying Sweatshirt

Mountain Warehouse - High wicking – actively wicks away moisture from your layer, to keep you dry. Breathable – airy & lightweight, let’s moisture out of this women’s clothing ensuring you stay dry. Naturally antibacterial – Fibres of this men’s essential keep you fresh and odour free. Easy care - Fully machine washable.
BrandMountain Warehouse
ManufacturerMountain Warehouse
Height1 cm (0.39 Inches)
Length1 cm (0.39 Inches)
Width1 cm (0.39 Inches)
Part Number023200005004
Model023200005004

6. Icebreaker

Black, X-Large, Icebreaker Men's 175 Everyday Half Zip Base Layer Long Sleeve Top

Icebreaker - Forward side seams for comfort. Zip neck collar. Rib fabric provides stretch and comfort. Breathable merino in a stretchy rib fabric. Ideal for your year-round commute.
BrandIcebreaker
ManufacturerIcebreaker
Height5.08 cm (2 Inches)
Length27.94 cm (11 Inches)
Weight0.3 kg (0.67 Pounds)
Width17.78 cm (7 Inches)
Part Number104484001XL-001-XL
Model104484

7. Brass Monkeys

100% Merino Wool, Men's Long Sleeve Base Layer, Thermal Underwear, Made in New Zealand, Brass Monkeys, Medium, Black

Brass Monkeys - Designed for extra warmth - Long sleeve base layer thermal, slim fit, crew neck & a shaped tail for extra warmth. Made in new zealand - Ethically sourced & manufactured in New Zealand. Incredibly soft & comfortable - We select only the finest merino wool to ensure softness against your skin with no itch. Odour resistant - natural antibacterial properties mean you can wear it multiple times without needing to wash. 100% merino wool - 215gm merino, 19. 5 microns, single jersey knit fabric for ultimate comfort & warmth year round.
BrandBrass Monkeys
Part NumberBM001BLACKMEDIUM

8. Icebreaker

Black, Medium, Icebreaker Women's 200 Oasis Base Layer Long Sleeve Crew Neck Top

Icebreaker - Drop tail hem. Flat lock seams prevent chafing. Offset shoulder seams prevent pack rub. Slim fit, breathable and comfortable. Made with versatile merino jersey fabric.
BrandIcebreaker
ManufacturerIcebreaker
Height5.08 cm (2 Inches)
Length27.94 cm (11 Inches)
Weight0.18 kg (0.4 Pounds)
Width17.78 cm (7 Inches)
Part Number101383-001-Medium
Model104375