The North Face Summit Run Vest 10 is a Summit Series race vest designed in partnership with the brand's athlete team to help runners push the limits from start to finish. Built for reduced bounce and active adjustment without chafing, it hugs the torso with stretch side panels, two bungee sternum straps and side compression straps. FLASHDRY™ materials and an air permeable back panel help manage moisture over long miles. Two included 500 ml HydraPak® SoftFlask™ bottles ride in chest pockets with elastic valve stabilizers, while lower chest pockets and a secure zip chest pocket keep fuel and small items in reach. A 10 liter pack on the back, upper and lower easy access shelves, a horizontal trekking pole sleeve and an ice axe carry are ready for a modern UTMB kit. Elastic hose loops, an included whistle and reflective logos round out a vest made for race day.