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Base
Layers

Troy Lee Designs

Stage Ghost D3O Long Sleeve Base Layer (2025)

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

Assos

Short Sleeve Summer Skin Layer P1 - Grey Series

£75.00
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

MT500 D30 Ghost Baselayer (2025)

£144.99  
Was  £169.99   | Save  £25.00   (15%)
Available Sizes

Assos

Endurance ThermoBooster

£135.00
Available Sizes

Assos

GTO Winter Long Sleeve Dermasensor Base Layer - Black Series

£245.00
Available Sizes

Assos

Sleeveless Summer Skin Layer P1 - Grey Series

£65.00
Available Sizes

Q36.5

Long Sleeve Base Layer 4 - Navy Blue (2025)

£120.00
Available Sizes

Q36.5

Long Sleeve Base Layer 4 - Black (2025)

£120.00
Available Sizes

Q36.5

Base Layer 5 Plus Long Sleeve Hoodie - Black (2025)

£140.00
Available Sizes

Q36.5

Base Layer 5 Plus Long Sleeve Hoodie - Olive Green (2025)

£140.00
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

Spatz

Basez Extreme Base Layer

£139.99
Available Sizes

Q36.5

Sleeveless Base Layer 1 - White (2025)

£51.00  
Was  £60.00   | Save  £9.00   (15%)
Available Sizes

Assos

Ladies Short Sleeve Summer Skin Layer P1 - Grey Series

£75.00
Available Sizes

Castelli

Flanders 2 Long Sleeve Base Layer (AW25)

£79.00  
Was  £100.00   | Save  £21.00   (21%)
Available Colours
Available Sizes

Assos

Ladies Ultraz Winter Long Sleeve Skin Layer P1 - Calypso Blu

£125.00
Available Sizes

Assos

Ladies Winter Long Sleeve Skin Layer P1 - Black Series

£105.00
Available Sizes

Endura

Ladies BaaBaa Pro Baselayer Tights (2025)

£84.99  
Was  £99.99   | Save  £15.00   (15%)
Available Sizes

Endura

BaaBaa Pro Baselayer Tights (2025)

£76.99  
Was  £89.99   | Save  £13.00   (14%)
Available Sizes

Endura

Ladies BaaBaa Pro Short Sleeve Baselayer (2025)

£67.99  
Was  £79.99   | Save  £12.00   (15%)
Available Sizes

Endura

Ladies BaaBaa Pro Long Sleeve Baselayer (2025)

£84.99  
Was  £99.99   | Save  £15.00   (15%)
Available Sizes

Endura

BaaBaa Pro Short Sleeve Baselayer (2025)

£67.99  
Was  £79.99   | Save  £12.00   (15%)
Available Sizes

Endura

BaaBaa Pro Long Sleeve Baselayer (2025)

£84.99  
Was  £99.99   | Save  £15.00   (15%)
Available Sizes

Assos

Ultraz Winter Long Sleeve Skin Layer P1 - Calypso Blu

£90.00  
Was  £125.00   | Save  £35.00   (28%)
Available Sizes

Castelli

Merino Seamless Base Layer (AW25)

£87.00  
Was  £110.00   | Save  £23.00   (21%)
Available Sizes

Castelli

Merino Seamless Ladies Base Layer (AW25)

£93.00  
Was  £110.00   | Save  £17.00   (15%)
Available Sizes

Castelli

Medio Short Sleeve Base Layer (AW25)

£59.00  
Was  £75.00   | Save  £16.00   (21%)
Available Sizes

Castelli

Medio Long Sleeve Base Layer (AW25)

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

Castelli

Medio Ladies Short Sleeve Base Layer (AW25)

£63.00  
Was  £75.00   | Save  £12.00   (16%)
Available Sizes

Castelli

Medio Ladies Long Sleeve Base Layer (AW25)

£67.00  
Was  £80.00   | Save  £13.00   (16%)
Available Sizes

Castelli

Flanders 2 Warm Ladies Long Sleeve Base Layer (AW25)

£76.00  
Was  £90.00   | Save  £14.00   (16%)
Available Colours
Available Sizes

Q36.5

Short Sleeve Base Layer 2 - Anthracite Grey (2025)

£68.00  
Was  £80.00   | Save  £12.00   (15%)
Available Sizes

Q36.5

Short Sleeve Base Layer 2 - White (2025)

£68.00  
Was  £80.00   | Save  £12.00   (15%)
Available Sizes

Spatz

Basez 2 Base Layer

£74.99
Available Colours
Available Sizes

Q36.5

Base Layer 3 Long Sleeve - Anthracite Grey (2025)

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

Q36.5

Base Layer 3 Long Sleeve - White (2025)

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

Assos

Thermobooster Foil

£80.00

Assos

GTO Spring/Fall Long Sleeve Dermasensor Base Layer - Black Series

£195.00
Available Sizes

Assos

GTO Sleeveless Dermasensor Base Layer - Black Series

£160.00
Available Sizes

Q36.5

Sleeveless Base Layer 1 - Anthracite Grey (2025)

£60.00
Available Sizes

Assos

Winter Long Sleeve Skin Layer P1 - Black Series

£95.00  
Was  £105.00   | Save  £10.00   (10%)
Available Sizes

Castelli

Espresso R-A/D Base Layer (SS25)

£52.00  
Was  £65.00   | Save  £13.00   (20%)
Available Colours
Available Sizes

Assos

Ladies Summer Sleeveless Skin Layer P1 - Grey Series

£65.00
Available Sizes

Q36.5

Short Sleeve Base Layer 2 - Navy Blue (2025)

£80.00
Available Sizes

Q36.5

Short Sleeve Base Layer 2 - Ice Grey (2025)

£80.00
Available Sizes

Q36.5

Sleeveless Base Layer 1 - Navy Blue (2025)

£60.00
Available Sizes

Q36.5

Sleeveless Base Layer 1 - Ice Grey (2025)

£60.00
Available Sizes

Castelli

Flanders 2 Ladies Warm Long Sleeve Baselayer (AW24)

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

Giro

Chrono Long Sleeve Base Layer (2025)

£59.49  
Was  £69.99   | Save  £10.50   (15%)
Available Sizes

Q36.5

Base Layer 3 Long Sleeve - Navy Blue (2025)

£90.00
Available Sizes

Q36.5

Base Layer 3 Long Sleeve - Ice Grey (2025)

£90.00
Available Sizes

Assos

Cycling Bra - Black Series

£85.00
Available Sizes

Assos

Spring/Fall Long Sleeve Skin Layer P1 - Anthracite Grey

£95.00
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

Assos

Spring/Fall Short Sleeve Skin Layer P1 - Anthracite Grey

£85.00
Available Sizes

Assos

Ladies Spring/Fall Long Sleeve Skin Layer P1 - Anthracite Grey

£95.00
Available Sizes

Base Layers are incredibly important pieces of cycle clothing, designed to be worn next to the skin - base layers not only provide insulation and keep you warm, but they also play an important role in regulating body temperature. Base layers wick sweat away from your body, meaning that sweat is removed from your clothing - keeping you warm in the winter and cool in the summer.

There are many different base layers available, and most of these base layers can be used regardless of cycling discipline - so mountain bikers and road cyclists alike can benefit from them regardless. For a base layer to work properly, it should be tight enough to feel snug - but it should also move freely. There are a range of base layers available, including merino wool base layers from companies such as Mons Royale.

These base layers can be worn on their own on warm days, but work equally well when layered with a range of other cycling clothing, such as jackets, jerseys and gilets.