Cropped Sky Shirt The Cropped Sky Shirt is our lightest race day layer, made from an ultra lightweight perforated performance fabric that lets the air roll straight through. Flatlock stitching keeps things smooth over long miles, while taped seams cut down distractions when every little detail counts. Pin a bib on it. Chase a PB. Or just chase your dog, don't reallty care.  The Lowdown Ultra lightweight perforated polyester Maximum airflow and breathability Cropped race fit Flatlock construction Taped seams Kite Runner artwork on the chest Built for marathon mornings, big goals and finding one more gear when you need it most.