Adidas Adizero Boston 13 (Womens) White Core White Silve Metallic Core Pink Size:4.5 Super soft nitrogen infused DNA LOFT v3 Super soft nitrogen infused DNA LOFT v3 midsole cushioning provides maximum shock absorption Ultra soft upper with 3D Fit Print delivers exceptional comfort and security Ortholite sock liner enhances step in comfort Redesigned outsole design gives smoother and more stable transitions from heel to toe off and a reinforced toe and heel ensures it can go the distance responsive performance of the adidas Adizero Boston 13 running shoes they let you comfortably push the pace with a breathable mesh upper and secure midfoot lockdown