Unisex Nerd Belt NB400 Groove Colour:Black optifoam: Lightweight & cushioned EVA

optifoam: Lightweight & cushioned EVA foam for a performance usage

Product Number: S20940-617

This shoe is a versatile trainer

a wide 42mm cap and high flow valve to make drinking

it’s a great option for runners looking to transition toward Altra’s zero-drop shoes

Unisex Nerd Belt NB400 Groove Colour:Black optifoam: Lightweight & cushioned EVAThe 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