The Pantagonia Capilene Base Layer Daily Long Sleeve in Men's Size M Navy Blue is a high-quality activewear piece designed for outdoor activities. Made with a blend of polyester and spandex, this knit shirt features a crew neck and a pullover closure for easy on and off. With features like UV protection, moisture-wicking, quick-drying, and breathability, it is ideal for activities in winter, fall, and spring. The tagless design and comfortable fit make it a great choice for gym training, walking, hiking, or running. Machine washable and in a solid navy blue color, this Patagonia shirt is a versatile and reliable addition to any wardrobe.