Ensure comfort and style in big mens shirts for an evening out or a casual day at the park. Our big mens shirts come in long and short sleeve styles. Whether you are trying to build a wardrobe or update your current collection, Old Navy has prices you can't beat. Find great designs in our men's shirt that includes stripes, flannel, plaids, western style and micro-striped for a stunning look. Big mens shirts from Old Navy fit great and will suit your style with exceptional comfort.