<b>SIZE CHART (Inches) of SERHOM men's thermal underwear long sleeves mens thermal shirt and bottom set</b><br><br> Small: Top - 18.3" Bust(1/2), 26.8" Length, 30.1" Sleeve Length. Bottom - 37.8" Length, 12.6" Waist(1/2)<br><br> Medium: Top - 19.1" Bust(1/2), 27.6" Length, 30.7" Sleeve Length. Bottom - 38.6" Length, 13.4" Waist(1/2)<br><br> Large: Top - 19.9" Bust(1/2), 28.4" Length, 31.3" Sleeve Length. Bottom - 39.4" Length, 14.2" Waist(1/2)<br><br> X-Large: Top - 20.7" Bust(1/2), 29.2" Length, 31.9" Sleeve Length. Bottom - 40.2" Length, 15" Waist(1/2)<br><br> 2X-Large: Top - 21.5" Bust(1/2), 30" Length, 32.5" Sleeve Length. Bottom - 41" Length, 15.8" Waist(1/2)<br><br> 3X-Large: Top - 22.3" Bust(1/2), 30.8" Length, 33.1" Sleeve Length. Bottom - 41.8" Length, 16.4" Waist(1/2)<br><br>