VaporAiress 2.0 is back and better than ever! Body-mapped and designed specifically for the female form, it's NTHAN's first race vest to feature the innovative CinchFit Adjustable Sizing System, resulting in a fit and feel so personalized, you'll think they tailored it just for you. Weight: 8.3 oz./235 g. (without bladder). 12.2 oz./347 g. (with bladder).|Chest at Sternum: XXS-M - 26" - 33" (66 cm. - 84 cm.); L-XXL - 33" -41" (84 cm. - 104 cm.)|Storage Capacity: 427 cu. in./7 Liters.