Best Cycling Caps for Winter Rides Under Your Helmet in Australia 28th Jul 2026 Facebook Email Print X Pinterest A thermal cycling cap or skull cap worn under your helmet is one of the highest-value additions to a winter cycling kit. Significant heat is lost through the head during cold rides, and the right cap prevents this while protecting the ears from cold air on fast descents. This guide covers the types available and how to choose the right one for Australian winter conditions. Facebook Email Print X Pinterest