. Leather upper. UltraLite X™ utilizes a unique EVA compound to create footwear that is on average 20% lighter. CellStretch® technology utilizes cells in the forefoot and heel to provide superior cushioning and comfort. Elastic gore panels allow for an easy entrance and exit. ecoTWEED™ lining. Blend85™ footbed. Compression-molded EVA midsoleRubber outsole integrated with blended rice huskSlip-on styleImported.