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Under Armour

Online only

HeatGear Running Leggings

£36

£18

Colour

Out of stock online

    Sale items

    Customers say:

    Fits true to size()
    Waist

    Free standard delivery over £60

    Product code: T129856S

    About this style

    Engineered for performance, these Under Armour Heat Gear leggings offer a regular fit with streamlined silhouette for unrestricted movement during runs. The lightweight, breathable fabric features moisture-wicking technology to keep you dry, while ergonomic seam placement avoids high-abrasion areas. A branded elastic waistband and practical drop-in side pocket complete this technical design.

    Details & care

    Fit and style

    Regular fit

    Elasticated waist

    Unlined

    Composition

    79% polyester, 21% elastane

    Care

    Machine wash according to instructions on care label

    Delivery, collection & returns

    Delivery

    Standard

    Free over £60, or £3.99

    Returns

    UK returns

    Free. Returns can only be arranged via postal options. Exclusions apply Full delivery and collection information Our returns policy

    Exclusions apply

    Full delivery and collection informationOur returns policy

    About Under Armour

    Train at your best, no matter the weather, with Under Armour's innovative clothing, footwear and accessory designs.

    Reviews (604)

    4.8

    92% Recommended this product

    Mentions
    28 December 2025Baves

    Great product

    Originally posted on Under Armour

    Yes, I recommend this

    Great product in terms of fit and colour. Great breathability.

    Helpful?

    26 December 2025

    Work out gear

    Originally posted on Under Armour

    Yes, I recommend this

    Love how they feel on my body

    Helpful?

    25 December 2025Ay2007

    Leggings

    Originally posted on Under Armour

    Yes, I recommend this

    Great for cold football nights

    Helpful?

    23 December 2025UA94111

    A bit pricey but good product

    Originally posted on Under Armour

    Yes, I recommend this

    The price tag is a bit high but the product is exactly as advertised. Fits well and very comfortable for running or working out.

    Helpful?

    17 December 2025Dkuz

    Very good quality!

    Originally posted on Under Armour

    Yes, I recommend this

    This HeatGear product is very well fitted. of me is comfortable and easy to wash. Compressing amazing during the workout. I used similar for 10 years and it very reliable. Will se how long it will worn with new technology. Best!

    Helpful?

    15 December 2025Lui2023

    Great Product

    Originally posted on Under Armour

    Yes, I recommend this

    Under Armour compression pants offer a snug, supportive fit that enhances workouts and recovery. The fabric is breathable, stretchy, and durable, keeping you comfortable during intense training. They stay in place, wick sweat effectively, and provide excellent mobility without feeling restrictive.

    Helpful?

    12 December 2025Harambe56

    Awesome

    Originally posted on Under Armour

    Yes, I recommend this

    Awesome style and great fit

    Helpful?

    12 December 2025Dzmitry

    Great stuff

    Originally posted on Under Armour

    Yes, I recommend this

    I really like Heatgear. Help to train at cold weather and keep my legs warm.

    Helpful?

    11 December 2025Coach 67

    Cool and Comfortable

    Originally posted on Under Armour

    Yes, I recommend this

    product fits well. cool and comfortable. wicks well.

    Helpful?

    10 December 2025Bob D27

    Great for winter bike riding

    Originally posted on Under Armour

    Yes, I recommend this

    These leggings are excellent for winter bike trail rides. They fit snugly under sweatpants, helping keep a slim profile and keep you comfortable.

    Helpful?

    10 December 2025

    Love them

    Originally posted on Under Armour

    Yes, I recommend this

    I love them so much that I want to wear them all of the time

    Helpful?

    09 December 2025Crunchtime90

    Fantastic

    Originally posted on Under Armour

    Yes, I recommend this

    Very comfortable, supreme fit, high quality, and extreme versatility

    Helpful?

    07 December 2025Milt0405

    Great material

    Originally posted on Under Armour

    Yes, I recommend this

    Great material and overall fit. I had to exchange for a bigger size though.

    Helpful?

    06 December 2025GunnarBruce

    Excellent base layer!!!!

    Originally posted on Under Armour

    Yes, I recommend this

    Bought these to wick sweat under my hunting base layers!!! Works amazing!!!!

    Helpful?

    30 November 2025Kstine

    Heat gear leggings

    Originally posted on Under Armour

    Yes, I recommend this

    I really like the fit. I wear these when running with my dogs and they are perfect especially when it’s hot outside.

    Helpful?

    30 November 2025Mike Beeman

    Heat Gear

    Originally posted on Under Armour

    Yes, I recommend this

    This article of clothing is so functional and comfortable. It is light and tight but feels super supportive. I am excited to get another pair to run in!!!

    Helpful?

    29 November 2025TLW1963

    Comfortable Athlete Gear!

    Originally posted on Under Armour

    Yes, I recommend this

    I feel like an elite athlete when I have these on! Comfortable, stylish, breathable Top Drawer. The variety and color spectrum on point! Thank you so much! 😊🙏

    Helpful?

    24 November 2025GeeGianni

    Under Armour Heat Gear Men's Leggings

    Originally posted on Under Armour

    Yes, I recommend this

    Purchased these for fall / spring running and they are very comfortable and fit as advertised (Compression Ultra Tight) so they don't move around or bunch up. I have other leggings but these are the best so far.

    Helpful?

    23 November 2025

    Warn gear

    Originally posted on Under Armour

    Yes, I recommend this

    Keeps you warm when doing outside activities. I am satisfied with my purchase and never use anything else.

    Helpful?

    23 November 2025

    This product has great features.

    Originally posted on Under Armour

    Yes, I recommend this

    My grandson loves these for basketball.

    Helpful?

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