50% Cotton, 50% Polyester Pre-Shrunk Classic Crew Unisex Fit 1 x 1 Athletic Rib Knit Collar with Spandex This product is made to order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions! Size guide LENGTH (inches) WIDTH (inches) S 27 20 M 28 22 L 29 24 XL 30 26 2XL 31 28 3XL 32 30