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Mountain Bike
Baselayers

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Castelli

Flanders Warm Long Sleeve Base Layer (AW23)

£77.00  
Was  £90.00   | Save  £13.00   (14%)
Available Colours
Black Gray
Available Sizes
Buy

Castelli

Flanders Warm/Neck Warmer Base Layer (AW23)

£81.00  
Was  £95.00   | Save  £14.00   (15%)
Available Colours
Black Gray
Available Sizes
Buy

Assos

Assosoires Ultraz Winter Long Sleeve Skin Layer - Calypso Blue

£72.00  
Was  £110.00   | Save  £38.00   (35%)
Available Sizes
Buy

Endura

BaaBaa Blend Long Sleeve Baselayer (2024)

£46.99  
Was  £54.99   | Save  £8.00   (15%)
Available Colours
Black Paprika Blueberry
Available Sizes
Buy

Castelli

Rosso Corsa Ladies Bra (SS24)

£54.00  
Was  £60.00   | Save  £6.00   (10%)
Available Colours
Black White
Available Sizes
Buy

Castelli

Pro Issue Sleeveless Base Layer - White (SS23)

£35.00  
Was  £43.00   | Save  £8.00   (19%)
Available Sizes
Buy

Castelli

Flanders 2 Ladies Warm Long Sleeve Baselayer (AW23)

£77.00  
Was  £90.00   | Save  £13.00   (14%)
Available Colours
Black Gray
Available Sizes
Buy

Castelli

Prosecco Tech Short Sleeve Base Layer (SS24)

£68.00  
Was  £75.00   | Save  £7.00   (9%)
Available Sizes
Buy

Castelli

Pro Issue Short Sleeve Base Layer - White (SS23)

£39.00  
Was  £48.00   | Save  £9.00   (19%)
Available Sizes
Buy

Endura

Ladies BaaBaa Blend Long Sleeve Baselayer (2024)

£46.99  
Was  £54.99   | Save  £8.00   (15%)
Available Colours
Black Aubergine
Available Sizes
Buy

Castelli

Prosecco Tech Long Sleeve Base Layer (SS24)

£77.00  
Was  £85.00   | Save  £8.00   (9%)
Available Sizes
Buy

Endura

Translite Windproof Short Sleeve Baselayer (2024)

£39.99  
Was  £46.99   | Save  £7.00   (15%)
Available Sizes
Buy

Endura

Fishnet Sleeveless Baselayer II (2024)

£29.99  
Was  £34.99   | Save  £5.00   (14%)
Available Colours
Black White
Available Sizes
Buy

Endura

Engineered Long Sleeve Baselayer (2024)

£46.99  
Was  £54.99   | Save  £8.00   (15%)
Available Sizes
Buy

Castelli

Core Seamless Long Sleeve Base Layer (AW23)

£73.00  
Was  £85.00   | Save  £12.00   (14%)
Available Sizes
Buy

POC

Essential Layer Long Sleeve Base Layer

£63.00  
Was  £70.00   | Save  £7.00   (10%)
Available Colours
Uranium Black Hydrogen White
Available Sizes
Buy

Castelli

Core Seamless Short Sleeve Base Layer (SS24)

£63.00  
Was  £70.00   | Save  £7.00   (10%)
Available Colours
Black White
Available Sizes
Buy

Castelli

Prosecco Tech Ladies Short Sleeve Base Layer (AW23)

£59.00  
Was  £69.00   | Save  £10.00   (14%)
Available Sizes
Buy

Scott

Windstopper Short Sleeve Base Layer (2024)

£58.99  
Was  £64.99   | Save  £6.00   (9%)
Available Sizes
Buy

Scott

Protective Base Layer (2024)

£84.99
Available Sizes
Buy

Scott

Carbon Short Sleeve Baselayer (2024)

£58.99  
Was  £64.99   | Save  £6.00   (9%)
Available Colours
White/Black Black/Dark Grey
Available Sizes
Buy

Endura

Transloft Short Sleeve Baselayer (2024)

£33.99  
Was  £39.99   | Save  £6.00   (15%)
Available Sizes
Buy

Endura

Transloft Long Sleeve Baselayer (2024)

£38.99  
Was  £44.99   | Save  £6.00   (13%)
Available Sizes
Buy

POC

Essential Base Layer Vest

£45.00  
Was  £50.00   | Save  £5.00   (10%)
Available Colours
Uranium Black Zink Orange
Available Sizes
Buy

Scott

Carbon Sleeveless Baselayer (2024)

£49.99  
Was  £54.99   | Save  £5.00   (9%)
Available Colours
White/Black Black/Dark Grey
Available Sizes
Buy

Scott

Ladies Carbon Sleeveless Baselayer (2024)

£49.99  
Was  £54.99   | Save  £5.00   (9%)
Available Colours
White/Black Black/Dark Grey
Available Sizes
Buy

Madison

Isoler Mesh Long Sleeve Baselayer

From  £20.99  
Was  £22.99   | Save  £2.00   (9%)
Available Colours
Black White
Available Sizes
Buy

Madison

Isoler Mesh Ladies Long Sleeve Baselayer

£22.49  
Was  £24.99   | Save  £2.50   (10%)
Available Sizes
1

A mountain bike base layer is the foundation for your entire MTB clothing system. Mountain biking is an intense activity, and the right base layer keeps you warm whilst also keeping your temperature regulated - wicking sweat away from the body.

Base layers should fit tight to the skin, whilst also allowing the full flexibility of movement. They should be worn across all mountain bike disciplines - including downhill MTB and XC riding. These base layers are perfect for wearing alongside mountain bike jerseys & shorts.