Some hiking is good But s&';more hiking is great The more that you hike The more you&';ll elate And the happier you feel You&';ll notice with glee That you&';ll bring love and kindness To all you see. a 100% combed and ring-spun cotton (Heather colors contain polyester) a Fabric weight: 4.2 oz/yd^2 (142 g/m^2) a Pre-shrunk fabric a Side-seamed construction a Shoulder-to-shoulder taping a Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US This product is made especially for you as soon as you place an 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) CHEST (inches) XS 27 16 A 1/2 31-34 S 28 18 34-37 M 29 20 38-41 L 30 22 42-45 XL 31 24 46-49 2XL 32 26 50-53 3XL 33 28 54-57 4XL 34 30 58-61 5XL 35 31 62-65