The REACH TR FLEX training shoe is constructed in engineered knit with ventilation zones for maximum breathability. The specially designed lacing system provides integrated support. REACH TR FLEX features hummel's REACH LX technology – which is a midsole compound designed to meet the requirements of hummel’s professional athletes. The outsole is designed for optimal flexibility, traction, and grip. The REACH TR FLEX is particularly suitable for aerobics, flexibility training and casual running.