The Perfect All-Year Rounder! The Original Steve Shirt is the perfect all-year-round shirt. It is made with a mid-weight cotton fabric providing great breathability in the warmer months and protection against the elements in unpredictable weather. And a UPF rating of 50+. Great for all seasons in the southern states and if you're up north it's the perfect weight for the cooler months! It is sustainably made using GOTS certified organic cotton with a touch of spandex for extra comfort and durability. This shirt will get better with age and is built to last. Half button placket 98% Organic Cotton, 2% spandex Quality cotton grown without the use of herbicides or pesticides - GOTS (Global Organic Textile Standard) certified 200gsm mid weight cotton twill UPF 50+ Protection rating, without the use of fabric coatings Relaxed fit Long lasting dyes