The Ashworth features a subtle, easy to wear checkered pattern and is finished with a hidden button down collar that pairs perfectly with any blazer or 1/4 zip. No more waiting for the dry cleaners with our easy-care performance button ups. Lightweight, moisture wicking, and UPF 50 with a crisp, cool feel and our signature Tweener Button, these versatile button ups are ideal for the guy on the go. Also available in boys' sizes here. johnnie-O Ashworth Performance Button Up Shirt in Tahitian - Size: XXL.