Astroman Air SS ShirtThe Astroman Air SS shirt will have you looking and feeling fresh, no matter the venue. The breathy and stretchy material moves with you throughout the day, wicking moisture as you go. Button up shirt boasts a slew of hiking and climbing features Hybrid nylon and spandex construction is stretchy for lengthy moves AirVent inner back yoke breathes with you on high output routes Left welt chest pocket features a snap closure for your cards Synthetic