Lightweight and soft, the adidas Performance Duramo RC 2 Running Trainers are perfect for your daily miles. Featuring a rubber outsole and textile lining, these trainers come with shoelaces for a secure fit. 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. These trainers offer a regular fit with a lace closure and a textile upper and lining. They weigh approximately 209.0 grams (size UK 5.5) and have a midsole drop of 5 mm (heel 26 mm / forefoot 21 mm) with a durable rubber outsole.