New Balance Women's Minimus TR V2 Running ShoeDesigned for explosiveness in the gym, these training shoes are made to feel like barefoot, but better. Features FuelCell midsole foam with approximately 3% bio based content delivers a propulsive feel to help drive you forward. Bio based content is made from renewable resources to help reduce our carbon footprint. Midfoot rubber wraps add increased protection, grip, and durability for rope climbs Herringbone rubber outsole design in forefoot and heel