Nathan VaporKrar 2.0 4L Insulated Race Vest

Stay hydrated and ward off injury when you’re wearing the Nathan VaporKrar 2.0 4L Race Vest. It's made from a lightweight and breathable material that feels more like apparel than a pack. Designed for ultrarunner and renowned minimalist Rob Krar, the VaporKrar vest comes with two 20oz ExoShot Soft Flasks with extended drinking hoses for on-the-go hydration. And if that's not enough, it can even carry a 1.5L bladder (sold separately) to keep you hydrated when you’re running a full marathon.

• Extended Drinking Tubes lets you hydrate without removing flasks from the vest
• Additional storage and stash pockets hold essentials
• Front pockets hold 20oz soft flasks
• Water-resistant chest pocket for your phone
• Reflective details for excellent visibility in low-light
• Weighs just 7.3 ounces (207g) without flasks, 11 ounces (306g) with flasks