Regular fit Lace closure Textile upper Textile lining REPETITOR midsole Rubber outsole. Stable trainers for strength training. The adidas Performance Dropset Base Lace-Up Trainers feature a REPETITOR midsole for stability and a rubber outsole for traction. With a textile lining, these trainers provide comfort and support for your workouts. Upper: Textile Outsole: Rubber. Please make sure that you try your footwear on before returning, as the box or label may state a US/Euro size which is different to the UK size.