Good mid layers all have one thing in common: they function as a protective outer layer in fine weather and provide warmth as an insulating layer on cooler days. Here are five of our current favourites.

Mountaineering Instructor Kirsty Pallas and outdoor author Alex Roddie layer up with the most adaptable and temperature-regulating mids for the cooler seasons

In days gone by, winter riding was a stern test, as much because of the kit we had to wear as the weather we wore it in. Bibtights were akin to the wearing the lower half of a wetsuit with some fleece

Expert advice on the kit that makes a difference

BUYER’S GUIDE

THE BIG TEST