This hunting shirt features a rifleman’s shoulder for padding and grip, and advanced repellency to protect the fabric from water and stains. Built-in UPF 50 helps block harmful UV rays when you''re out in the field all day. PHG means Performance Hunting Gear, clothing you can count on in the wilderness. Durable and long-lasting, this versatile layer is made from our Omni-Shield release twill designed to keep you clean and dry all day. A strong button-up statement with button down style and a button down collar. WIth a button secured chest pocket, roll up sleeves with tab holders, this is a shirt that''s ready to get to work. This hunting shirt is available in a wide range of colors and sizes. Relaxed Fit. To ensure the size you choose is right, utilize our sizing chart and the following measurement instructions: For the sleeves, start at the center back of your neck and measure across the shoulder and down to the sleeve. If you come up with a partial number, round up to the next even number. For the chest, measure at the fullest part of the chest, under the armpits and over the shoulder blades, keeping the tape measure firm and level.