Base Layer Sale

Upgrade your performance kit for less with the Base Layer Sale at Sigma Sports. Discover discounted men’s and women’s base layers designed for cycling, running, and triathlon all from premium performance brands at clearance prices.

Whether you need lightweight summer base layers for hot conditions or insulating winter options for colder rides and runs, our base layer sale offers a wide range of fits, styles, and fabrics to help you stay comfortable and perform at your best. Enjoy free UK delivery and returns on orders over £60. 
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SALEEXTRA10
FINGERSCROSSED Road Base Layer
FINGERSCROSSED
Road Base Layer
£37.00
RRP £56.00 Save 34%
SALE
GOREWEAR Windstopper Long Sleeve Base Layer
GOREWEAR
Windstopper Long Sleeve Base Layer
£52.00
RRP £70.00 Save 26%
SALEEXTRA10
Assos Summer Skin Womens Short Sleeve Base Layer
Assos
Summer Skin Womens Short Sleeve Base Layer
£20.99
RRP £65.00 Save 68%
SALEEXTRA10
Assos Womens Short Sleeve Skin Layer P1
Assos
Womens Short Sleeve Skin Layer P1
£38.99
RRP £75.00 Save 48%
SALEEXTRA10
Assos Summer Sleeveless Skin Layer P1
Assos
Summer Sleeveless Skin Layer P1
£32.99
RRP £65.00 Save 49%
SALEEXTRA10
Castelli Bolero Short Sleeve Base Layer
Castelli
Bolero Short Sleeve Base Layer
£55.00
RRP £99.00 Save 44%
SALE
GOREWEAR M Thermo Long Sleeve Base Layer
GOREWEAR
M Thermo Long Sleeve Base Layer
£48.75
RRP £65.00 Save 25%
SALE
Ale Intimo Wool Long Sleeve Base Layer
Ale
Intimo Wool Long Sleeve Base Layer
£66.75
RRP £89.00 Save 25%
SALEEXTRA10
Q36.5 Base Layer 2 Short Sleeve
Q36.5
Base Layer 2 Short Sleeve
£50.00
RRP £80.00 Save 38%
SALEEXTRA10
FINGERSCROSSED Women's Road Base Layer
FINGERSCROSSED
Women's Road Base Layer
£37.00
RRP £56.00 Save 34%
SALEEXTRA10
Rapha Lightweight Sleeveless Womens Base Layer
Rapha
Lightweight Sleeveless Womens Base Layer
£32.00
RRP £55.00 Save 42%
SALEEXTRA10
Castelli Flanders 2 Womens Long Sleeve Base Layer
Castelli
Flanders 2 Womens Long Sleeve Base Layer
£35.99
RRP £90.00 Save 60%
SALEEXTRA10
Castelli Pro Mesh 2.0 Sleeveless Base Layer
Castelli
Pro Mesh 2.0 Sleeveless Base Layer
£60.00
SALE
Rapha Lightweight Sleeveless Base Layer
Rapha
Lightweight Sleeveless Base Layer
£32.99
RRP £55.00 Save 40%
SALE
Ale Women's Velo Active Intimo Sleeveless Base Layer
Ale
Women's Velo Active Intimo Sleeveless Base Layer
£30.00
RRP £40.00 Save 25%
SALE
Castelli Bolero Base Layer
Castelli
Bolero Base Layer
£84.15
RRP £99.00 Save 15%

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Men’s & Women’s Base Layer Sale

Our base layer sale includes a comprehensive range of men’s and women’s styles suitable for multiple sports. Designed to regulate body temperature and manage moisture effectively, these base layers form the foundation of any high-performance kit.

Featuring leading brands such as ASSOS, Castelli, MAAP, and more, the collection includes sleeveless, short sleeve, and long sleeve base layers ideal for layering across seasons whether you’re cycling, running, or racing a triathlon.

Summer & Winter Base Layers on Sale

Find the right base layer for every condition in our base layer sale:

  • Summer base layers: Lightweight, breathable fabrics that wick sweat away from the skin, helping you stay cool and dry during warm-weather rides, runs, and races.
  • Winter base layers: Thermal and insulating designs that retain warmth while maintaining breathability, perfect for cold-weather training and riding.

With options suited to year-round use, now is the ideal time to invest in versatile base layers at reduced prices.
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