Best Under Armour Base Layers Deals Online in the UK (10 Deals Found)

Last Updated - 17/09/2026 Sort By:

Best Choice
Under Armour

New
Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men
Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort

£22.90
10% Off
Under Armour

New
Under Armour Men's UA CG Armour Comp Mock, Men's Base Layer with a Polo Neck, Thermal Long Sleeve Top for Winter Running
Ultra-warm – The men's thermal top features a dual-layer fabric with an ultra-warm, brushed interior and a mock neck for

£44.99 £50.00
Best Value
Under Armour

New
Under Armour Women's UA CG Authentics Mockneck Shirt
Ultra-warm – The women's base layer features a dual-layer fabric with an ultra-warm, brushed interior and a mock neck fo

£34.90 £50.00
Under Armour

New
Under Armour Men's UA CG Armour Comp Mock, Men's Base Layer with a Polo Neck, Thermal Long Sleeve Top for Winter Running
Ultra-warm - The men's thermal top features a dual-layer fabric with an ultra-warm, brushed interior and a mock neck for

£34.99
21% Off
Under Armour

New
Men's Tech 2.0 Short Sleeve Tee Black/Graphite M M
UNDER ARMOUR TECH T-SHIRT: Our original go-to training gear, combining lightweight comfort with performance-driven desig

£18.99 £23.94
36% Off
Under Armour

New
Under Armour Men UA CG Armour Fitted Mock, Warm Base Layer Top for Men, Compression Shirt for Running, Skiing, Winter Co
Optimal shirt: The thermal shirt features a dual-layer fabric with an ultra-warm, brushed interior, smooth, fast-drying

£32.25 £50.00
Under Armour

New
Under Armour 401 Men's Alter Ego Comp Short Sleeve Base Layer - Royal, Small
Four-way stretch fabrication allows good mobility in any direction

£4.59
31% Off
Under Armour

New
Under Armour Men UA HG Armour Comp SL, Cooling & Breathable Tank Top for Men, Gym Vest with Anti-Odour Material
UNDER ARMOUR HEATGEAR COMPRESSION SLEEVELESS: The original performance baselayer—super-light with a second-skin fit, des

£21.99 £32.00
17% Off
Helly Hansen

New
Helly Hansen Mens Lifa Stripe HH Crew Base Layer Top, L, Black
The original technical Helly Hansen long-sleeve base layer with an iconic stripe design

£17.85 £21.41
36% Off
Under Armour

New
Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men
Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort

£22.90 £36.00

10 Under Armour Base Layers deals are available from: Amazon stores, starting from £4.59.
The biggest discount we found is 36% on Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men at Amazon.
The lowest price we found is £4.59 while the highest is £44.99.
Prices for the best Under Armour Base Layers deals average at £25.64.
Last updated on September 17, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Under Armour Base Layers.