Mission Skates

I wonder in some roller mission outside. I carry a contract of 10.5 as my shoe size. But I do not know how the scale of a shoe to get. It seems to carry most places (or E wide). Is E the standard?

D is the standard for mission runners as they tend to adjust more like Bauer, try them in person if possible. http://www.inlinewarehouse.com is one of the best online stores for roller hockey gear