VaporAiress is a pack that is as versatile as you are. Body-mapped and designed specifically for the female form, it’s our first race vest to feature the innovative Adaptive-Fit ™ Adjustable Sizing System, resulting in a fit and feel so personalized, you’ll think we tailored it just for you. See second image above for a comprehensive sizing chart! Designed specifically to fit the Female Form The Adaptive-Fit ™ adjustable sizing system provides a tailored, body-mapped fit for all body types Two adjustment points allow you to alter waist and bust fit separately Breathable, chafe-free materials for maximum comfort Equipped with a 2L bladder with quick release valve Transparent zippered pocket for quick-viewing of key essentials Back kangaroo pocket for stashing flasks, layers, and other essentials Large main back storage compartment Front pockets fit bottles and flasks up to 22oz Reflective hits for 360-degree visibility Storage Capacity: 427 cu in/7 Liters Weight without Bladder: 8.3 oz/235 g Weight with Bladder: 12.2 oz/347 g