The peloton cap might be the most versatile accessory a rider can have on a warm day it provides a bit of shade from the sun a layer of insulation when its cool or windy and it wicks sweat when the heat rises too designed to be worn under a helmet it is thin enough to fit without bunching and light enough to practically disappear when you put it on weve also shortened the brim compared to some caps for better upper peripheral vision when riding in the dropsthroughout the seasonswe use sea