Ultra-soft and lightweight ECCO PHORENE midsole material returns energy for your next step E-DTS traction system consists of approximately 100 TPU traction bars boasting 800 traction angles Removable, washable, open-cell OrthoLite insole for long-term cushioning and enhanced breathability High-quality, micro-perforated leather lining provides a premium feel and ultimate breathability High-quality, micro-perforated leather lining provides a premium feel and ultimate breathability