adidas adizero Boston 11 Women's Running Shoes Ecru Tint/Night Met./Beam Yellow : Push past what's possible in the adidas adizero Boston 11! Built for mid- to long-distance running, the Boston 11 delivers a propulsive feel from ENERGYRODS in the midsole. The Lightstrike Pro+ foam blends ultra-light Lightstrike Pro cushioning with durable Lightstrike EVA for long-lasting speed. Made with recycled materials, the adidas adizero Boston 11 brings a race-day feel to every run! Who's it for? Neutral runners looking to push the pace during medium to long distance training runs. Competitive runners who want to break personal records and win on race day. Runners who wear the adizero Adios Pro for racing and are looking for the perfect training companion. Shoe Technology Upper: Lightweight mesh upper enhances ventilation to improve comfort. Flexible feel adds support in key areas. Lace closure offers a secure fit. Upper contains a minimum of 50% recycled content. Midsole: Lightstrike Pro+ cushioning mixes responsive Lightstrike Pro with durable Lightstrike EVA for enduring speed. ENERGYRODS limit energy loss. Outsole: Continental(TM) Rubber outsole provides traction on various surfaces.