The Simms Challenger Long-Sleeve Button-Down Shirt for Men is crafted with tons of outdoor style and comfort. First and foremost, it has a back cape ventilation system that encourages great air circulation. It has 2 chest pockets: the right one has a hook-and-loop closure, and the left is a button closure pocket with a hidden zip pocket beneath. This men's shirt from Simms also features 2-button cuffs, a straight hem, and convenient sunglasses chamois. Made of 100% polyester heathered plain weave. Machine wash. Imported. Manufacturer style #: 13643. Made of 100% polyester heathered plain weave Back cape ventilation adds great air circulation 2 chest pockets 2-button cuffs Convenient sunglasses chamois Straight hem