Excellent UPF Rating - Top stitched armholes with twin needle sleeves and hem - 210 GSM (excellent quality) 65% Polyester, 35% Cotton Pique Knit Size Guide:Garment Half Chest Measurements (cm's)Small: 52Medium: 55Large: 58X - Large: 62XX - Large: 653XL: 715XL: 79 What kind of fit is this polo? Easy fit. Fit with extra ease for movement. Falls free from the body.