Design: Mesh piecing and tongue details for ventilated airflow Breathable, fast-dry performance build In-Shoe Comfort: Non-molded EVA sockliner CMEVA midsole Durability & Traction: Pebax® spike plate with 4 spikes Engineered with a propulsive carbon fiber plate and designed in accordance with World Athletics’ guidelines Additional Details: Designed for 3K-10K events Weight 4.5 oz