Push yourself to the limit in the Brooks Ariel ‘16 running shoe. This breathable mesh shoe features an external heel counter and full-length Segmented Crash Pad for superior running support.Item # 518785Differential: 12 mmElement mesh upperElement Mesh™ FabricElement textile liningElement™ LiningExtended Progressive Diagonal Rollbar (PDRB®)Extended Progressive Diagonal Rollbar® (PDRB)External heel counterFull-length S-257 CushsoleLace entryLinear Platform™Linear Platform™Padded tongue and collarS-257 CushsoleSegmented Crash PadSegmented Crash PadStrobel constructionStrobel ConstructionSuper DNASuper DNA MidsoleSynthetic overlayUltimate socklinerUltimate SocklinerStyle Number: 1202191B453, 1202191D453, 1202192E453