Male: Tailored Specifically For Men With Options For Looser And Wider Fits Single Breasted: Garment Closure Can Only Be Connected On One Side Or In The Middle Long: Sleeves Extend Down The Full Length Of Arm And Stop At The Wrists Zipper: Opens And Closes Using A Slide Along Two Flexible Strips Of Metal Poly/cotton: A Blend Of Polyester And Cotton That Offers Comfort And Durability Cool Vent: Award-winning Fabric Technology That Wicks Moisture And Heat Fabric > Contrast (b9): A Variation Of Color Fabric That Adds An Additional Layer Of Style Double Needle: Stitching Method With Two Lines Sewn Side By Side For Strength