54% Cotton / 46% Lyocell. Slim Fit. Short Sleeve. This Garment Is Made Using A Special Dye Process Which Enhances The Characterisitics Of The Fabric. Although This Item Has Been Washed, It Is Not Uncommon To Experience Some Color Transformation During The First Few Washes.. Lightweight Twill Fabrication. Camp Collar Adds A Relaxed Retro Touch. Washed Garrment Dyeing Process Enhances The Natural Characteristics Of The Fabric. Model Is 6'1" And Wears Size Medium. Machine Wash According To Instructions On Care Label