Imported Rubber sole PGuard Toe Protector: Enhanced toe durability. Ortholite Sockliner: Moisture management (Ortholite is a registered trademark of O2 Partners LLC). WINGWALL technology: Improves stability. AHAR Plus Outsole: Strategically positioned in critical areas of the outsole, this exceptionally durable compound is 50% more durable than standard ASICS High Abrasion Rubber. Rearfoot and Forefoot GEL Technology Cushioning System: Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle.