Technology features of this classic fit'shirt include UV protection, moisture-wicking, quick-dry fabric, and underarm eyelets. Classic Fit. Quick Dry. Moisture Wicking Technology. UPF 50+ Sun Protection. Eyelets underarm for extra ventilation. Pocket on left chest. Laser engraved logo buttons with coordinating color button thread. 91% Nylon / 9% Stretch. Machine wash cold. Cool iron if needed.