The Cass features:

• UPPER:Incredibly soft, high-quality leathers. Nubuck treated with 3M Scotchgard for stain resistance.
• LINING:Chrome-free leather.
• SOCKLINING:Chrome-free suede for breathability.
• FOOTBED:Cushioned, energy-return PU.
• MIDSOLE:Lightweight EVA/cork.
• OUTSOLE:Flexible lightweight TR rubber.
• HOOK & LOOP ADJUSTABILITY