Santini Men's Giro D'Italia Cycling Jersey Size To Fit Chest: S (36.2 - 37.8") M (37.8 - 39.4") L (39.4 - 40.9") XL (40.9 - 42.5") Constructed From Lightweight And Anti Bacterial Energy Microsense Fabric Elasticated Bands On Cuffs And Bottom To Keep The Jersey In Position Triple Back Pocket So You Can Easily Store Your Essentials Breathable To Help You Maintain A Comfortable Temperature