he Plasmic Jacket is sized appropriately and fits well (even with thinker underlayers)It is constructed of Aquaguard VISLON with Dry.Q EVAP technology for great wicking properties. The Dry.Q EVAP fabric helps accelerate evaporation allowing breathability and comfort. Chest 26” Length 18” TECH SPECS Full Zip Number of Pockets: 2 zippered Fabric: 100% Nylon (DRY.Q EVAP) Fit: Standard No carrying bag (but can use one of the pockets to use as a stuff sack)