Design: Embroidered engineered-upper is light, breathable and engages under force for a locked-in, powerful fit UA HOVR(TM) sockliner and dynamic Energy Web for comfortable landings, in-sole traction and responsive toe-offs Lightweight, structural forefoot film for added strength to maximize efficiency and power in propulsion In-Shoe Comfort: UA Micro G(R) high-rebound midsole helps eliminate impact and provide added energy return Durability & Traction: Forefoot Pebax(TM) plate with 6 perimeter pins for smooth transition into toe-off and strength in propulsion Lightweight, molded sharkskin element in the heel enhances traction off the blocks 6-Pin forefoot offers added traction and grip Additional Details: 1/4" pyramid spikes Ideal for: 400M - 800M events Weight: 7oz / 198g