10 Best Thermal Leggings in 2021

For this post, I have put together a collection of the best thermal leggings currently available. Love warm feet? Also check my thermal socks buying guide.

Our Top Picks

My recommended pick for women working out are the CRZ Yoga fleece lined leggings – they are high waisted with pockets and receive excellent reviews.

For cycling or running these thermal leggings from Baleaf are lightweight, breathable and receive excellent feedback on their quality and value.

For men the Under Armour HeatGear 2.0 are a great choice – they are very lightweight, feature compression fit, dry quickly, perfect for training, running and all sorts of activities.

The buyer feedback is overwhelmingly excellent.

Best Thermal Leggings
Best Thermal Leggings

Thermal leggings are the ideal choice of bottoms for heading outdoors in when it’s cold.

They’re made of material that traps heat and therefore keep your legs warm.

Some thermal leggings are fleece lined and others are made out of cotton-polyester blend that is both moisture-wicking and breathable.

They are ideal for going for a run on a chilly morning or perfect for walks or hikes.

Thermal base layer leggings can be worn beneath your top layers of clothing to keep your body warm, especially during freezing winter temperatures.

Made from fabrics such as merino wool, to protect against the cold, thermal base layer leggings also trap body heat to provide warmth. 

We’ve searched the market to find the best thermal leggings for women and men, plus the best selection of thermal base layer leggings for wearing underneath clothing.

Let’s get started!

Best Thermal Leggings For Women

Duofold Women’s Heavy-Weight Double-Layer Thermal Leggings

  • Double-layer thermal leggings with drawcord at waist for adjustable fit.
  • These heavy-weight leggings will keep legs warm in cold conditions.
  • Available in sizes S/M/L/XL.

CRZ YOGA Women’s Thermal Fleece Lined Leggings High Waisted Winter Yoga Pants with Pockets

  • Fleece lined leggings made for working out.
  • High Waisted Winter Yoga Pants with Pockets
  • Made from stretchy, non-see-through polyester-spandex blend with two side pockets to hold your phone and keys.
  • The waistband has an inner adjustable drawstring for a customised fit.
  • With moisture-wicking and interlocking seams that prevent chafing.
  • Available in sizes 6-16.
  • Available in a range of colours.

ZERDOCEAN Women’s Plus Size 100% Cotton Fleece Lined Thermal Leggings

  • Soft fleece lined 100% cotton leggings.
  • Anti piling & non-transparent thick fabric.
  • Ideal for cold weather.
  • Available in sizes XXL/3X/4XPlus/4X.

BALEAF Women’s Thermal Fleece Running / Cycling Tights

  • Athletic Compression Trousers also good for Hiking/Bike
  • Made with lightweight and breathable material the quick-dry construction wicks moisture to keep you drier whilst exercising.
  • Soft fleece inside provides long lasting warmth and comfort.
  • Back pocket with zipper securely stores your small items like keys.
  • Leg zippers for easy off and on wear.
  • Available in sizes XS/S/M/L/XL.

Best Thermal Leggings For Men

Under Armour HeatGear 2.0 – Gym Leggings for Men

  • Ultra-lightweight men’s leggings.
  • The compression fit means the leggings fit like a second skin and thanks to the material they offer full freedom of movement in all directions.
  • Material transports sweat away from the body and dries quickly.
  • The elasticated net inserts in the gusset and inner seam ensure extra ventilation.
  • They are ideal for running and training outdoors.
  • Available in mens sizes S/M/L/XL/XXL.

Nike Flash Running Tights

  • Slim fit men’s leggings which are perfect for running or training.
  • Breathable fabric and elastic waistband with lanyard.

Best Thermal Base Layer Leggings

Campri Ladies Stretchy Base Layer Thermal Leggings For Women

  • These have been designed with an elasticated waistband, a heat retaining inner, plus breathability mesh to the outer.
  • Subtle tonal Campri branding sits to one thigh.
  • To wear under usual clothing for extra warmth in cold conditions.

Mountain Warehouse Merino Womens Thermal Base Layer Leggings

  • These merino wool women’s pants are a high performance base layer.
  • Naturally antibacterial, breathable, the fabric is lightweight and will keep you comfortable in cool or warm conditions.
  • They are ideal for skiing and hiking or everyday wear in winter.
  • Available in sizes 6-20.

Icebreaker Men’s 200 Oasis Leggings Base Layer

  • Merino jersey fabric leggings are the ideal foundation for everyday cold-weather layering.
  • The fabric is not only insulating and highly breathable, but it resists odours during extended use.
  • The brushed elastic waistband and flatlock seams throughout eliminate chafing when you’re on the move.
  • Available in mens sizes S/M/L/XL/XXL.

TSLA Women’s Thermal Wintergear Compression Baselayer Leggings

  • Thermal pants designed for warmth with fleece lining.
  • Extreme Compression Fit.
  • Moisture sensing, quick drying with two way air circulation.
  • Deodorisation function which doesn’t leave unpleasant smell behind from sweat.
  • Available in sizes XS/S/M/L/XL.

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