Assos ijbonka6 cento winter jacket this windproof and water resistant jacket is insulated in key areas without increasing the volume and bulk and as a result it is a fantastic performing garment designed to fit in the cycling position it may feel small when stood upright but should fit perfectly when you are in your normal bicycle position even more so as this is the cento version which is the slim fit winter jacket mens fit cento fit version tailored for a slim competition fit see