The lightest-to-heaviest rule worked when skin care was simpler. In 2025, there are some new things to think about when you’re layering products.

Some base layers are stretchier than others – we found thermals with some stretch offered more warmth on test, as there’s no empty space between the fabric and your skin for the cold to creep in.

The Assos Winter LS Skin Layer P1 most comfortable base layer I've worn but with a premium price tag. You can trust Cyclingnews Our experts spend countless hours testing cycling tech and will ...