Petition to disable boots in urf
The whole point of everyone getting movement speed as part of the urf buff was so that you wouldn't have to build boots. You could then go either 6 damage items or 6 tank items. However because some people buy them, everyone has to buy them to keep up.
-you get attack speed from the urf buff
-You get movement speed from the urf buff
-You get movement speed from the urf buff
- Don't need CDR
-You get tenacity from the urf buff
-Just buy another armour item
-Compare 15 mpen to the ap you would get from a 6th ap item assuming you already bought 
'heavy breathing'