The NB400 is the original Nerd Belt, engineered for the athlete who demands a lightweight, comfortable, and completely zero-bounce hydration solution.

Designed to sit securely on the hips, this belt remains perfectly stable regardless of your speed, making it the go-to choice for long runs, marathons, and full-distance Ironmans. The belt let you keep the essential accessible, so you can manage your fluid and nutrition effortlessly. For the best experience and a bounce-free ride, ensure the strap is positioned directly on your hips.

Features

• Dual Hydration Capacity: Specifically designed to hold two 200ml bottles for balanced weight distribution.
• Lightweight Comfort: Ultra-slim profile that provides a barely-there feel even when fully loaded.
• Integrated Bib Holders: Built-in toggles to secure your race number, eliminating the need for safety pins.
• Stability First: Precision-fit strap system guaranteed to stay in place at any pace.
• Endurance Ready: The ultimate companion for high-mileage training and premier racing events.
• One size fits all: Stretchy comfortable strap. Hip measurements 71-110cm or 28-45 inches
• Pouch Size: 11 x 19cm. Fits all phones. Holds race number. Holds up to 6 energy gels OR 4 gels, a phone, keys and more.