The Puma Extend Lite Trail Running Trainers offer top-notch performance with a full length rubber outsole and performance EVA midsole. The pre-shaped heel and lace-up fastening provide a secure fit, while the rounded toe area ensures comfort during your trail runs. Upper & Insole: 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.