The CamelBak Women?s Circuit Running Hydration Vest is a must-have item for your running accessories collection. Updated for 2019 to be a lighter and more efficient minimalist running vest and designed specifically for women, the new Women?s Circuit vest is more breathable than previous versions. It has been designed with our 1.5-liter Crux reservoir that is made from high-quality BPA-free materials and supplies 20 percent more water per sip than previous versions. This allows you to maintain hydration and improve performance while you?re on the road. This running vest also has plenty of room for snacks and your essential items. This CamelBak trail running hydration vest has been engineered for optimal comfort. The Women?s Circuit running vest features a secure zippered phone pocket, a stretch overflow pocket perfect for rain gear, and pockets specifically designed for 2 Quick Stow flasks. The 3D Micro Mesh provides multi-directional air flow and breathability while still offering great cushioning for added comfort. Our Got Your Bak Lifetime Guarantee covers all reservoirs, backpacks, bottles, and accessories from manufacturing defects in materials and workmanship for the lifetime of the product. The CamelBak Women?s Circuit hydration vest measures 13.4 x 9.1 x 3.7 inches.