Don´t hold back.This extremely lightweight, breathable, and fast drying top will keep up.It´s made out of 100% recycled polyester with a super lightweight construction that feels soft and smooth against your skin.Wear it alone or as a strategic mid layer.It comes with a half zip for quick temperature regulation, and a zippered chest pocket where you can securely stash essentials.FEATURES:- An extremely lightweight and soft knit made out of 100% recycled polyester.- Half zip construction for added temperature regulation.- Reflective trims for 24/7 safety.- Contains bluesign® approved fabric.COMPOSITION:-100% Recycled Polyester, an extremely lightweight and soft knit with an open stripe structure,122 g/m² bluesign® approved.