Cycling jerseys are a vital part of your cycling kit. A cycling jersey is worn over the top of a baselayer that goes together well with your shorts. Cycling jerseys come in different thicknesses and purposes but generally are used in warmer conditions. A cycling jersey is also often worn n a layering system, where a baselayer, jersey, and jacket would be used. The cycling jersey often features back pockets to store various accessories. Some jerseys have a zip pocket too for carrying valuables.