The GT-2000™ 12 GS (Grade School) shoe is a versatile stability trainer that's functional for various distances

designed to help keep your strides quick and stable during your daily runs

the socks will keep your feet cool and dry

and fatigue for your best run yet

Women's Altra Experience Flow 3 Compression The GT-2000™ 12 GS (GradeFor everyday runners looking for a lightweight, performance focused shoe. For runners engaging in longer training runs wanting to ward off tired and achy feet. For social runners attending community run clubs with their fingers on the latest trends. For smooth. For lightweight. The Altra Experience Flow 3 is all about helping runners stack volume. Altra have redesigned the upper and collar on the Experience Flow 3, delivering a lighter, more airy fit