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!