Replying to sessions, burton, volcom sizing

im am interested in the burton 2lv pant, volcom aqua lung pant and the sessions grid pant. if anyone knows how their sizes run or how any of these companies sizes run in comparison to oakley pants let me know. the biggest size of any of these pants is an xl. i typicly wear an oakley xxl so i want something similar. ive heard burtons xls are huge, can anyone confirm this? thanks



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