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. Store everything you need for a full day with the large main back storage compartment and back kangaroo pocket, sized for a light jacket, nutrition, and even more hydration than your 2L bladder can carry. Lace your shoes, stretch your legs and get ready for your best day out on the trail or road. Comfort Fit Talk about the most secure tailored fit! The Adaptive-Fit adjustable sizing system allows for the perfect tailored, body mapped fit for all women's body types. Two adjustment points allow you to alter your waist and bust separately - fit just for you! Peak Performance With the lightweight, chafe-free and breathable materials, this bounce free vest can store all of your running essentials with different storage pockets. Stay hydrated with the 2L bladder and front storage pockets that can fit more bottles! Features: Designed specifically to fit the Female Form Adaptive-Fit adjustable sizing system for tailored fit Two adjustment points to fit waist and bust separately Breathable, chafe-free materials for maximum comfort Equipped with a 2L bladder with quick release valve Transparent zippered pocket for quick view of essentials Back kangaroo pocket for stashing layers and essentials Large main back storage compartment Front pockets fit bottles and flasks up to 22oz Reflective hits for 360-degree visibility 60% Nylon, 40% Polyester Specifications: Storage Capacity: 427 cu in/7 Liters Weight W/O Bladder: 8.3 oz/235 g Weight With Bladder: 12.2 oz/347 g Wash and Care: Easy to love and easier to care for. Hand wash only - Nathan Power Wash recommended. To clean bladder remove tubing, rinse tubing and bite valve. Turn bladder inside out rinse dry standing up. Nathan Women's Vapor Airess 2.0 7 Liter Hydration Pack