Cotton, linen, and polyester conspire to make Royal Robbins Breeze Thru 3/4 Sleeve a cool customer to help you get through those warm days of spring and summer. It feels great next to your skin and has naturally hypo-allergenic, anti-static, and odor-resistant properties. This easy-care knit brings together two natural fibers with great performance characteristics. Both are hypo-allergenic, move moisture and are highly breathable, keeping you cool and comfortable in warm weather. Linen is also naturally anti-static and odor resistant, and lends a subtle slub texture for surface interest. Material: 60% Cotton, 40% polyester.