Hot days are no match for our lightest-weight sport shirt. Cool, comfortable and made to move with you. Size & Fit Slightly Fitted: Relaxed through the chest and sleeve, with a slightly slimmer waist. Why We Love It We added a technical stretch fabric to one of our favorite on-the-clock classics to help you move comfortably throughout the day – and look great doing it. Fabric & Care In 91% nylon and 9% spandex. Machine wash and dry. Additional Features Extra durable and impressively breathable, with a touch of stretch for unrestricted movement. Imported.