Primeknit - One-piece knitted upper for supreme comfort.
Dual-Density 3D Heel Counter - Provides support to the heel but allows for freedom of movement for the Achilles.
Reinforced Lacing - Strategically placed for a secure, supportive fastening.
Woven Cuff - Offering a sock-like fit and blocks dirt and debris.
Boost Midsole - Has an amazingly bouncy feel without being too soft, and that makes for a light, fast run.