Circa - CX708 (Black Suede) - Men's: Full length Phylon midsole which features compression molded EVA combined with a gel cushion in the heel creating this extremely lightweight midsole with superior cushioning properties. It's hard to beat it's comfort and performance. C1 Reflex Cushion gel heel pad protects against unwanted heel bruises. Supportive stroble construction. Optional protective lacing system helps prevent griptape abrasion. Medial side ventilation panel.