The Jordan Core Thermal: An athletic layer for cooler daysDesigned for layering under a fleece hoodie or water-resistant jacket, the Jordan Core Thermal Men's Shirt is warm and comfortable when the weather's not. BenefitsFlat seams to minimize irritation from chafingRib crew-neck and cuffs for a snug, comfortable fitJersey side panels for comfort and mobilityDesignThe Jordan Core Thermal is crafted with flat seams, which helps reduce irritation caused by chafing and layering shirts that have seams in the same place. The side panels are made with jersey fabric for enhanced mobility and comfort, and the back-neck seam features a woven twill tape for a clean finish. FabricThis shirt is made with ring-spun cotton that's soft against the skin, plus spandex that lends just the right amount of stretch when you're shooting around at the park. Additional DetailsFabric: Body: 95% cotton/5% spandex. Panels: 100% cotton. Machine washImported