GearChic January 27, 2015 FAQ, Fit/Sizing, Jackets, plus size, sizing, textile Why Doesn't This Motorcycle Jacket Fit Me? GearChic January 27, 2015 FAQ, Fit/Sizing, Jackets, plus size, sizing, textile There's a very good chance ya just need to bend forward a bit, bring your shoulders in and your tummy back. Then voila! Your jacket zips up perfectly. Remember that proper fit is always in riding position; never standing up!