See Your Hydration. Never Guess.The Nathan SpeedDraw 2 View Insulated Handheld 18oz Flask adds a game-changing feature to the proven SpeedDraw 2 platform: a transparent window that lets you see exactly how much fluid you have left — no squeezing, no guessing, no surprises at mile 12.The 18oz double-wall insulated flask keeps your water cooler 20% longer than standard insulated bottles, and the updated ergo shape is easier to hold and squeeze than ever. The Push-Pull Blast Valve™ cap delivers quick, controlled bursts of fluid on the move, while the sweat-channeled no-slip grip insert keeps the flask secure in your hand even when things get sweaty.18oz of Smart HydrationAt 18oz, this flask is built for long training runs, half marathons, and any effort where you need serious hydration capacity in a handheld format. The large expandable zippered pocket handles your phone, nutrition, and keys, and integrated reflective print keeps you visible when the light drops.Key Features 18oz / 535mL double-wall insulated flask with transparent view window — see your fluid level at a glance Keeps fluids cooler 20% longer than other insulated bottles Push-Pull Blast Valve™ cap — quick bursts of fluid without stopping Ergo flask with sweat-channeled, no-slip grip insert — secure carry even on hot runs Fully adjustable hand strap with chafe-free thumb hole — grip-free running option Large expandable zippered pocket — fits most smartphones plus nutrition and keys Integrated reflective print — 360-degree low-light visibility Weight: 5.5oz / 156g
