Breathable mesh upper with a medial bunion window for maximum comfort. Biomorphic Fit features stretch material that is strategically placed to reduce buckling and the potential for irritation. 3M reflective for added visibility in low-light conditions. Ortholite sockliner for an added touch of internal comfort and antimicrobial protection to keep your feet fresh. Rear- and forefoot GEL Cushioning Systems absorb shock during impact and toe-off phases and allow movement in multiple planes as the foot transitions through the gait cycle. Dual-density DuoMax Support System is positioned to enhance support and stability. Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the shoe. AHAR+ (ASICS High Abrasion Rubber) placed in critical areas for superior traction. International shipping is not available. Wt. 9.4 oz.