Built in USA, the Pioneer Solid One-Pocket T-Shirt is a heavy-duty take on a classic closet staple. Made with sturdy 6.5-oz. Cotton with a dry hand that's comfortable in any season. Tight rib-knit crew collar offers great shape retention. Fit: Regular Material: 6.5-oz 100% Cotton Product ID: FMTEE0071 411Headquartered in Seattle, Washington, Filson are renowned for using premium fabrics that includes heavyweight Tin Cloth and warm Mackinaw Wool, resulting in a collection that features some of the most durable clothing and accessories available. Built upon a reputation for reliability that dates back to 1897, Filson remain the gold standard for tough, comfortable outdoor clothing prized by hunters, anglers, engineers, explorers, miners and anyone who has a passion for the outdoors. Color: blue