Features of the Marmot Men's Lisgar Long Sleeve Shirt Ultraviolet protection factor (UPF) 50 Polyester for quick-drying and wicking Stretch for increased mobility Articulation for movement Durable water-resistant finish (DWR) Durable flat-felled seams with interior contrast stitching Zipper secure right chest pocket Drop in left chest pocket Snap front and shirt tail hem Fabric Details 100% Polyester twill weave HD finish 3.5 oz/yd