power gone to your head go separate, jackets can rise up as you slide down the road at least the back protector stays put i got this one and can really recommend it http://stores.sportbiketrackgear.com/catalog/ricochet-seven-male400.jpg oh and i bought leathers first then got back protector Same as me Phil,however i have cut down the foam type armour out of my fabric suit to fit my leather jacket,only because the Knox is to tight under my leather.I use the knox under my Fabric jacket Hi - mind me asking how much it was and where you go it?