Streamlined and built for agility, the April 2015 Nike Metcon 1 is an all-purpose training shoe. Outfitted with a durable, abrasion-resistant mesh upper, the Dove Grey version features perforations at the midfoot for maximum airflow and a lightweight feel. Flywire cables keep the foot snug while a sturdy heel counter inhibits slippage. The shoe's dual-density midsole and flex gum outsole promote freedom of movement for vertical and lateral propulsion.