Ultraspire 500ml Flask With Straw
This collapsible Softflask carries 500mL of fluid. The unique shape allows it to slide easily in and out of a hydration pocket The stem straw allows for fluid delivery from a chest pocket without removing the bottle. Comes with a large diameter top to fit ice cubes and keep fluids cool. Combine with a MAg Clip to keep the straw secure during bumpy rides. Features a Phaser Bite Valve.