There is a mask size chart to help you know what size you need, in the link provide scroll down and click size chart. http://www.mmawarehouse.com/elevation_training_mask_2.0/etm-1007.html?start=1&cgid=training-accessories
Answered on 5/12/2014 by Community Answer from None
You would need the same size sleeve as you would order a mask. The sizing chart is on the page for the mask.