Altra Men's Vanish Carbon Race Shoe (Coral/Black) Clif Knockaround Seventy Nines are the

Knockaround Seventy Nines are the perfect mix of cool contemporary and timeless vintage

Every pair comes with a holographic checkered flag protective pouch and a hand-numbered edition card

Polarized silver smoke lenses

Max Burn Time:

Altra Men's Vanish Carbon Race Shoe (Coral/Black) Clif Knockaround Seventy Nines are theThis carbon fiber half plate speed shoe is designed for your fastest, long distance runs. Lightweight, high cushion and ready for race day. Product Description Comfort, meet speed with Altras first ever speed shoe. Altra is taking a dive into the race category with our carbon half plated shoe, the Vanish Carbon. This long distance speed shoe is equipped with our Altra EGO PRO midsole foam for cushion in each step and our Active Stance Rocker to