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well i ordered a pair of size 10 g units last night off ebay they were only 20$ so if they work out ill get the same size in lavers or quantums which ever i choose thanks guys

http://cgi.ebay.com/NEW-50-CENT-GUNIT-G-UNIT-G6-SHOES-SNEAKERS-REEBOK ...

i am looking to buy mesh lavers or quantums online but i cant really tell what size i should try here are the shoes i use now:
(all us size)

running
nike air max II 360 size 10.5
http://www.nike-wholesale.cn/Picture/nike/Air_max360/AM360-0005.jpg

trail running
nike air max assail III size 10
http ...