Account detailsYour Cart
Big Deals | Up to 50% off | Ends Tonight

Free delivery on all orders over £50

0% APR Finance Available

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.

Products

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.