With padding in all the right places and a flex pattern that truly moves with you...this is the Comp Jacket everyone is talking about. The Flex has improved additional padding without sacrificing any of full range of mobility it is known for. Easy entry and exit made this vest a favorite among riders of every ability level! Make sure you don't take another set on the water without your Flex Comp. +Features & Fit Advanced 38 - Flex Panel-Architecture Design Comfort Fit with Minimal Taper and Maximum Stretch PVX Foam is Lightweight, Soft, Stretchable and Flexible Notched Hip for Improved Waist Flex Full Coverage Chill Stopper Lining Non Coast Guard Approved - This is NOT a Life Jacket Color: Black +Size Chart Men's Size Measurement (in / cm) XSmall 31" - 34" | 78.7 - 86.3 cm Small 34" - 37" | 86.3 - 93.9 cm Medium 37" - 40" | 93.9 - 101.6 cm Large 40" - 43" | 101.6 - 109.2 cm XLarge 43" - 46" | 109.2 - 116.8 cm XXLarge 46" - 49" | 116.8 - 124.5 cm