Nathan's ergo-shaped SpeedDraw Flask with Fire & Ice technology allows for both the most natural grip possible and easy-squeeze access to fluids.

• 18oz / 535 mL double-wall insulated and hi-viz reflective SpeedDraw Flask with Race Cap offers quick bursts of fluids and keeps fluids cooler longer
• Ergo flask with a new sweat-channeled, no-slip grip insert for an easier carry
• Integrated 3M reflective fabric offers 360-degree reflectivity for visibility in low-light conditions
• Double-wall construction keeps fluids cooler 20% longer than other insulated bottles
• Fully-adjustable hand strap with chafe-free thumb hole enables grip-free running
• Large, expandable, zippered pocket fits most smartphones, plus nutrition, keys, and small essentials
• Storage Capacity: 12.7 cu in/0.21 Liters
• Weight With Soft Bottle: 3.9 oz/110.6 g