Nike Streakfly 2 Premium - Unisex Shoe size:13 (US) Redesigned heart rate sensor for

Redesigned heart rate sensor for improved accuracy

Notched laces offer a secure but soft lace-up

while maintaining flexibility through the forefoot

you can use it every day

dry and protect

Nike Streakfly 2 Premium - Unisex Shoe size:13 (US) Redesigned heart rate sensor forNike Streakfly 2 Unisex Road Track Racing Shoes Carbon fiber plate and ultralight foam power your race. The Streakfly 2 can help you out kick the opposition on race day. This speedster now comes with a carbon fiber Flyplate, complementing the ultraresponsive ZoomX foam midsole and minimal upper you loved on the original. From the 10K to the mile, it can help you take your distances to the next level. We integrated a full length carbon fiber Flyplate