Maillot ENDURA LOOP ZIPPED Manches Courtes Oilseed Size:M this technology improves shock absorption it needs no separate this technology improves shock absorption at low and high speeds while reducing rotational forces and its aerodynamic design has even been tested as more efficient than carrying nothing at all even during intense efforts Sizes Chest Waist XS 89 94cm 74 79cm S 94 99cm 79 84cm M 99 104cm 84 89cm L 104 109cm 89 94cm XL 109 114cm 94 99cm XXL 114 119cm 99 104cm XXXL 119 124cm 104 109cm Measure your chest circumference by passing the tape measure under your armpits and over the upper part of your chest