Asics Volleyball shoes, like new condition, size 8.5. Only worn a few times and only on a gym floor. Never worn outside. Please see below for the details provided on the website. Breathable mesh upper: Trusstic System technology: Reduces the weight of the sole unit while retaining the structural integrity of the shoe. Heel wrap-up generates smoother landings: Flex grooves in the outsole: Improves flexibility. Flex grooves in the outsole improve flexibility: