Unisex Nerd Belt NB400 Groove

The all-new nerd NB400 Groove is a streamlined, lighter-weight evolution of Nerd best-selling NB600 Groove hydration belt. A lightweight, comfortable, and completely zero-bounce hydration solution.

Marathon and IRONMAN tested and approved hydration system. The ultimate hands-free solution for carrying fluids, fuel, and race-day essentials. Refreshed with an upgraded lock-down strap, advanced materials, and an expanded storage pouch, the NB400 Groove ensures your gear stays completely stable through every mile.

Features

• Improved Fit-Lock Strap: Now equipped with integrated silicone fit-lock pieces on the strap. Adjust it once to your perfect fit, lock it in, and never worry about your belt shifting or slipping again.
• Expanded Premium Pouch: Upgraded to a larger, more accommodating zippered compartment.
• Custom Groove Bottles: Two 200ml redesigned hydration flasks, now uniquely embossed with the custom Nerd logo for a signature, premium look.
• Honeycomb Back Material: Upgraded with a next-generation honeycomb mesh lining that enhances breathability, minimizes friction, and delivers superior next-to-skin comfort.
• One size fits all: Stretchy comfortable strap. Hip measurements 71-110cm or 28-45 inches
• Pouch Size: 12 x 21cm. Fits all phones. Holds race number. Holds up more than 6 energy gels or 4 chews, phone and keys.