LIGHT. FAST. BREATHABLE. Optimized for setting PRs at your fastest pace yet. Featherlight yet feature rich, the Race Vesta uses the latest in fully customizable vest-fit technology with the ultra-durable Comfort Cinch(TM) 3.0 and protective mesh panels that prevent chafing over many miles. A narrower cut in the shoulder straps and back offers a more tailored fit for smaller frames than our vest version. FEATURES Includes 2 Body Bottle III water bottles Comfort Cinch(TM) has been upgraded with High Molecular Weight Polyethelyne cord for extra strength and air mesh panel to prevent chaffing Zippered water resistant phone pocket at front chest. Shape has been upgraded to wrap completely around the body for a more secure vest-like fit. Comes with 4 hooks and bugee loops to attach trekking poles. These loops can be attached at the front or back of the vest for customizable trekking pole carry options. Large rear compartment to accommodate up to a 2.0L reservoir Front buckle sternum straps with T-hook adjustments Back pockets are placed so that all pockets are accessable while wearing the vest Silicone elasatic loops at back provide additional trekking pole or gear storage. Water resistant but fully breathable back panel for maximum ventilation. MATERIALS 82% nylon 12% spandex 100% silicone coated nylon SPECS Weight (without bottles): 174 g (6.1 oz) Volume: 6.1 L (372 in3)