Cotton: Made From 100 Percent, All-natural Cotton Fibers For Maximum Comfort Medium: This Apparel Offers Details That Are A Step Above Our Basic Collection Zipper: Opens And Closes Using A Slide Along Two Flexible Strips Of Metal Short: Sleeves Start At The Shoulder And Break Before Reaching The Elbow Single Breasted: Garment Closure Can Only Be Connected On One Side Or In The Middle Snap Apron Tab: Snap-tab Closure Located Behind The Neck Used To Secure The Apron Cool Vent: Award-winning Fabric Technology That Wicks Moisture And Heat Air Vents: Additional Openings That Promote Breathability And Ventilation