Say buh-bye to your old PR by lacing into the fast design and performance of the Mizuno Wave Sayonara 3 running shoe! ; Successor to the Wave Sayonara 2. ; Built for the neutral runner. ; Highly-breathable mesh upper with lightweight synthetic overlays that help lock down the foot. ; Lace-up closure. ; Plush tongue and collar for added comfort. ; Breathable fabric lining. ; Removable foam insole. ; Soft, responsive U4ic midsole. ; Parallel Wave in the heel provides just the right amount of cushioning and stability. ; Differential: 10 mm ; Soft blown rubber outsole at forefoot. ; X10 carbon rubber through the heel and toe for supreme traction and maximum durability. ; Imported. Measurements: ; Weight: 8 oz ; Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size.