Castelli Flanders 2 Warm LS Base Layer Review: a cosy layer perfectly suited to wintry days in the saddle.

Front view of base layer.

The latest version of the Flanders Warm base layer, named after the home of Belgium’s infamous Spring Classic, doesn’t disappoint. It’s exceptionally comfortable and performs on par with merino during rides. However, it doesn’t manage odours as well as merino, meaning it’ll likely head straight to the laundry basket after most outings.

Construction