adidas ADIZERO SL is a fast daily training shoe packed with key ingredients and design markers from our world record breaking Adizero franchise The midsole consists of a full length lightweight Lightstrike EVA chassis which provides a balance of stability resilience & cushioning This combines with our world renowned Lightstrike Pro foam and a fast training upper made of a super soft engineered mesh zoned in key areas An overtly padded heel & tongue construction providing improved step in and ride comfort together with our ADIZERO heel blinker sign off complete the upper construction Last the full rubber outsole provides traction on any surface in any condition Made with a series of recycled materials this upper features at least 50 recycled content This product represents just one of our solutions to help end plastic waste