The Nathan Sports SpeedDraw 2 Flask 18 oz is designed to keep runners hydrated with a comfortable and efficient handheld system. Its ergonomic shape and easy squeeze construction allow for quick hydration while maintaining a secure hold during movement. A sweat channeled no slip grip pad improves handling even when hands get sweaty. The integrated storage system features a large expandable mesh pocket that fits most smartphones along with a zippered pocket for small valuables. With reflective detailing for added visibility and a breathable adjustable hand strap for grip free running this flask is built for performance during training races and everyday outdoor activity.