A lightweight mountain bike-meets-gravel shirt, Atlas Short Sleeve delivers hyper-comfort and hyper-articulation in equal measure, making it the perfect top for a season of speed.Atlas rocks spandex-free, quick-wicking and breathable UPF 30+ fabric that excels on the fastest and hottest days of the season.If you´re deciding between shirts, Atlas is more articulated than Roam, with an extended reach forward and a slimmed-out bicep shape.Worn on its own in the heat or as a first layer on cooler days, Atlas is as adaptable as it is comfortable.Body:57% Recycled Polyester, 43% Elastomultiester.PFC and PFAS free.