Unisex Nerd Belt NB400 Groove Colour:Black this top is streamlined to

this top is streamlined to stay in place

Using recycled Unifi REPREVE(R) yarn in the engineered mesh upper

for better grip and durability

the Mountain Vesta 6

- Engineered mesh is tweaked with a more forgiving forefoot for maximum breathability and support

Unisex Nerd Belt NB400 Groove Colour:Black this top is streamlined toThe 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