Cool and classic, the adidas Breaknet 3.0 Lace-Up Basic Trainers feature a signature 3-stripe design, rubber outsole, and textile lining for a comfortable and stylish fit. The lace-up closure ensure a secure feel for all-day wear, making these trainers the perfect addition to any sportswear collection. Upper: Synthetic 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 shoes have a regular fit, lace closure, synthetic upper, textile lining, and E rubber outsole.