The Nike Zoom PV II should not be used on a grass surface. The christmas spikes are ceramic. The spikes are interchangeable and here is a link to where they can be purchased.
http://www.eastbay.com/searchresult...It is personal preference to use the shoe without spikes; however, if wearing without spikes we recommend filling the inserts with track blank spikes, so no damage is done. Here is a link to where the track blanks can be purchased.
http://www.eastbay.com/product/mode...
answered 2 years, 11 months ago

by
Matthew