Aero Glide 3 GRVL Women's Size:8 The difference is that we

The difference is that we developed a new outsole on the Primal 3 with a wider footprint for more ground contact underneath the foot

A breathable upper helps keep your feet feeling cool

Reduce impact vibration of calf muscle

Its new enhanced shape boasts a slightly longer back for efficient

These socks give you plenty of cushion and protection for rugged trail adventures

Aero Glide 3 GRVL Women's Size:8 The difference is that weAero Glide 3 redefines your run with energy packed cushion and game changing comfort. This everyday trainer is built on a high stack foam which brings you dynamic, cushioned strides from mile one to mile end. Featuring an innovative, seamless upper construction that fits like a glove from the inside out. Best for Cushion, Dynamism, Everyday run Cushioning: Maximal Run Frequency: 2 3 runs per week Weight: 205 g Drop: 8 in mm