This Product increases circulation, accelerates healing, quickens recovery, reduces swelling, alleviates neoprene/elastic skin irritations.

To determine your size measure expanded chest around middle.

XS: 33-35"

SM: 35 1/2 - 37 1/2"

MD: 38-44 1/4"

LG: 40 1/2 - 43"

XL: 43 1/2 - 47 1/4"

XXL: 47 3/4 - 51 1/2"