Ultraspire Spry Race Vest Quick stash right pocket is large enough to hold a spare bottle or other essentials and uniformly compresses with cord Patent pending Magnon Electrolyte Pocket with easy worry-free magnet closure. Sliding light weight sternum strap and adjustable side webbing attachments for comfortable fit Large hole microfiber mesh for ultra breathability. Light weight zippers pulls easily grabbed even with gloves, cold or numb fingers Left mesh pocket over zippered inner pocket for securely stowing night time accessories, energy foods and other necessary gear Roomy stash back pouch for easy access to Jacket, raingear and extra foods. Holds 1 Liter Reservoir (RESERVOIR NOT INCLUDED). Weight: 160 g (280 g with reservoir)