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Mountain Bike
Baselayers

Troy Lee Designs

Stage Ghost D3O Long Sleeve Base Layer (2025)

£260.99  
Was  £289.99   | Save  £29.00   (10%)
Available Sizes

Troy Lee Designs

Stage Ghost D3O Short Sleeve Base Layer (2025)

£215.99  
Was  £239.99   | Save  £24.00   (10%)
Available Sizes

Endura

BaaBaa Blend Long Sleeve Baselayer (2025)

£49.99  
Was  £59.99   | Save  £10.00   (17%)
Available Colours
Available Sizes

Troy Lee Designs

Stage Ghost D3O Vest Base Layer (2025)

£170.99  
Was  £189.99   | Save  £19.00   (10%)
Available Sizes

Troy Lee Designs

Stage Ghost D3O Trouser Base Layer (2025)

£170.99  
Was  £189.99   | Save  £19.00   (10%)
Available Sizes

Endura

Ladies BaaBaa Blend Long Sleeve Baselayer (2025)

£47.99  
Was  £59.99   | Save  £12.00   (20%)
Available Colours
Available Sizes

Castelli

Flanders 2 Ladies Warm Long Sleeve Baselayer (AW24)

£72.00  
Was  £90.00   | Save  £18.00   (20%)
Available Colours
Available Sizes

Castelli

Rosso Corsa Ladies Bra (AW25)

£50.00  
Was  £60.00   | Save  £10.00   (17%)
Available Colours
Available Sizes

Troy Lee Designs

Stage Ghost D3O Shorts Base Layer (2025)

£143.99  
Was  £159.99   | Save  £16.00   (10%)
Available Sizes

Endura

Translite Windproof Short Sleeve Baselayer (2025)

£38.99  
Was  £46.99   | Save  £8.00   (17%)
Available Sizes

Endura

Transloft Short Sleeve Baselayer (2025)

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

Mons Royale

Temple Merino Air-Con Long Sleve Base Layer - Dark Olive/Black (AW23)

£80.99  
Was  £89.99   | Save  £9.00   (10%)
Available Sizes

Mons Royale

Temple Merino Air-Con Long Sleve Base Layer - Black (2024)

£80.99  
Was  £89.99   | Save  £9.00   (10%)
Available Sizes

Mons Royale

Cascade Merino Flex Long Sleeve - Black Storm Wash (AW23)

£89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Sizes

Mons Royale

Cascade Merino Flex Long Sleeve - Black (AW23)

£89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Sizes

Mons Royale

Ladies Cascade Merino Flex Mock Neck Long Sleeve - Black (AW23)

£89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Sizes

Mons Royale

Ladies Cascade Merino Flex Long Sleeve - Black (AW23)

£89.99  
Was  £99.99   | Save  £10.00   (10%)
Available Sizes

Castelli

Prosecco Tech Short Sleeve Base Layer (AW24)

£30.00  
Was  £75.00   | Save  £45.00   (60%)
Available Sizes

Castelli

Core Seamless Long Sleeve Base Layer (AW25)

£75.00  
Was  £95.00   | Save  £20.00   (21%)
Available Sizes

Endura

Fishnet Sleeveless Baselayer II (2025)

£24.99  
Was  £29.99   | Save  £5.00   (17%)
Available Colours
Available Sizes

Assos

Assosoires Ladies Winter Long Sleeve Skin Layer - Black Series

£77.00  
Was  £90.00   | Save  £13.00   (14%)
Available Sizes

POC

Essential Layer Long Sleeve Base Layer

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

Endura

Engineered Long Sleeve Baselayer (2025)

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

Castelli

Core Seamless Short Sleeve Base Layer (AW25)

£63.00  
Was  £80.00   | Save  £17.00   (21%)
Available Colours
Available Sizes

Castelli

Prosecco Tech Ladies Short Sleeve Base Layer (AW24)

£56.00  
Was  £69.00   | Save  £13.00   (19%)
Available Sizes

Endura

Transloft Long Sleeve Baselayer (2025)

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

POC

Essential Base Layer Vest

£45.00  
Was  £50.00   | Save  £5.00   (10%)
Available Colours
Available Sizes

Scott

Carbon Sleeveless Baselayer (2024)

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

Scott

Ladies Carbon Sleeveless Baselayer (2026)

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

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.