NYLON. The Half Dome LS Top in Black comes as part of our In The Zone Collection. Celebrating all sports, all disciplines, all effort, In The Zone is inspired by your individual evolution among our shared global movement. A fitted cropped long sleeve, the Half Dome LS Top is cut from soft rib fabrication for a neat active and everyday layer. Centre front zipper closure, elastic in hem and a P.E Nation heat press patch round out the design detail. 82% Nylon, 18% Elastane. Drying Instructions - Lay Flat To Dry. Washing Instructions - Machine Wash Cold. Care Instruction Symbols - Do Not Bleach