This Men's Long Sleeve Half Zip Logger Shirt is built to work and gives you lots of room to do so. Go ahead and reach for anything, and the shirt will stay tucked in. The half zipper can be adjusted for proper ventilation and comes with a fly to keep everything else out. At work or play, the adjustable button cuffs can also assist in keeping unwanted items from getting into your shirt. The two buttoned chest pockets will keep the contents secure, with an added pencil opening on the left pocket. Material: Cotton.