We come in peace (to make a birdie). Get laser focused and go extraterrestrial off the fairway in our Mars Approaches alien hat. Fit & Design: Adjustable snapback closure Mid-profile fit Perforated Back Panels for Enhanced Breathability High-Quality Embroidery One Size Fits Most (up to 7 and 3/4 head size) Additional Details: Hand wash with warm water, gently spot treating with drops of laundry detergent or stain remover