{ "site": { "name": "Sizelane", "url": "https://sizelane.com/", "about": "https://sizelane.com/about", "license": "CC BY 4.0", "licenseUrl": "https://creativecommons.org/licenses/by/4.0/", "attribution": "Name Sizelane, link to the brand page and keep the brand's official source link." }, "page": "https://sizelane.com/asics-size-chart", "brand": "ASICS", "slug": "asics", "category": "running", "origin": "JP", "checked": "2026-10-24", "officialLinks": { "website": "https://www.asics.com/us/en-us/", "sizeGuide": "https://www.asics.com/us/en-us/aligned-size-charts/", "help": "https://www.asics.com/us/en-us/customer-service/help-center/", "outlet": "https://www.asics.com/us/en-us/clearance/c/aa60000000/", "membership": "https://www.asics.com/us/en-us/oneasics-home/", "apps": { "ios": "https://apps.apple.com/us/app/asics%E3%85%A4/id6736470866", "android": "https://play.google.com/store/apps/details?id=com.asics.oneasics" }, "collections": [ { "label": "Men's Running", "url": "https://www.asics.com/us/en-us/mens-running-shoes/c/aa10201000/" }, { "label": "Men's Trail", "url": "https://www.asics.com/us/en-us/mens-trail-running-shoes/c/aa10205000/" }, { "label": "Men's Tennis", "url": "https://www.asics.com/us/en-us/mens-tennis-shoes/c/aa10204000/" }, { "label": "Men's Sportstyle", "url": "https://www.asics.com/us/en-us/mens-sportstyle-shoes/c/aa10209000/" }, { "label": "Kids", "url": "https://www.asics.com/us/en-us/kids/c/aa30000000/" } ], "regional": [ { "market": "UK", "url": "https://www.asics.com/gb/en-gb/" }, { "market": "Canada", "url": "https://www.asics.com/ca/en-ca/" }, { "market": "Australia", "url": "https://www.asics.com/au/en-au/" }, { "market": "Japan", "url": "https://www.asics.com/jp/ja-jp/" }, { "market": "Germany", "url": "https://www.asics.com/de/de-de/" }, { "market": "France", "url": "https://www.asics.com/fr/fr-fr/" }, { "market": "Italy", "url": "https://www.asics.com/it/it-it/" }, { "market": "Spain", "url": "https://www.asics.com/es/es-es/" }, { "market": "Netherlands", "url": "https://www.asics.com/nl/nl-nl/" }, { "market": "Sweden", "url": "https://www.asics.com/se/sv-se/" }, { "market": "Singapore", "url": "https://www.asics.com/sg/en-sg/" } ] }, "sizeCharts": [ { "id": "men", "label": "Men's shoes", "source": "https://www.asics.com/us/en-us/aligned-size-charts/", "lengthMeaning": "foot", "lengthScales": { "CM": "size" }, "columns": [ "US", "UK", "EU", "CM" ], "rows": [ [ "4", "3", "36", "22.5" ], [ "4.5", "3.5", "37", "23" ], [ "5", "4", "37.5", "23.5" ], [ "5.5", "4.5", "38", "24" ], [ "6", "5", "39", "24.5" ], [ "6.5", "5.5", "39.5", "25" ], [ "7", "6", "40", "25.25" ], [ "7.5", "6.5", "40.5", "25.5" ], [ "8", "7", "41.5", "26" ], [ "8.5", "7.5", "42", "26.5" ], [ "9", "8", "42.5", "27" ], [ "9.5", "8.5", "43.5", "27.5" ], [ "10", "9", "44", "28" ], [ "10.5", "9.5", "44.5", "28.25" ], [ "11", "10", "45", "28.5" ], [ "11.5", "10.5", "46", "29" ], [ "12", "11", "46.5", "29.5" ], [ "12.5", "11.5", "47", "30" ], [ "13", "12", "48", "30.5" ], [ "13.5", "12.5", "48.5", "30.75" ], [ "14", "13", "49", "31" ], [ "14.5", "13.5", "49.5", "31.5" ], [ "15", "14", "50.5", "32" ] ], "notes": "Shown with Gender = Men. The guide tells you to measure foot length heel to toe and compare it with this chart.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/asics-men.csv" }, { "id": "women", "label": "Women's shoes", "source": "https://www.asics.com/us/en-us/aligned-size-charts/", "lengthMeaning": "foot", "lengthScales": { "CM": "size" }, "columns": [ "US", "UK", "EU", "CM" ], "rows": [ [ "4", "2", "34.5", "21.5" ], [ "4.5", "2.5", "35", "22.0" ], [ "5", "3", "35.5", "22.5" ], [ "5.5", "3.5", "36", "22.75" ], [ "6", "4", "37", "23.0" ], [ "6.5", "4.5", "37.5", "23.5" ], [ "7", "5", "38", "24.0" ], [ "7.5", "5.5", "39", "24.5" ], [ "8", "6", "39.5", "25.0" ], [ "8.5", "6.5", "40", "25.5" ], [ "9", "7", "40.5", "25.75" ], [ "9.5", "7.5", "41.5", "26.0" ], [ "10", "8", "42", "26.5" ], [ "10.5", "8.5", "42.5", "27.0" ], [ "11", "9", "43.5", "27.5" ], [ "11.5", "9.5", "44", "28.0" ], [ "12", "10", "44.5", "28.5" ], [ "12.5", "10.5", "45", "28.75" ], [ "13", "11", "46", "29.0" ] ], "notes": "Shown with Gender = Women.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/asics-women.csv" }, { "id": "kids", "label": "Kids' shoes", "source": "https://www.asics.com/us/en-us/aligned-size-charts/", "lengthMeaning": "foot", "lengthScales": { "CM": "size" }, "columns": [ "US", "EU", "CM" ], "rows": [ [ "K4", "19.5", "12.5" ], [ "K4.5", "20.5", "12.75" ], [ "K5", "21", "13.0" ], [ "K5.5", "21.5", "13.5" ], [ "K6", "22.5", "14.0" ], [ "K6.5", "23", "14.5" ], [ "K7", "23.5", "15.0" ], [ "K7.5", "24", "15.25" ], [ "K8", "25", "15.5" ], [ "K8.5", "25.5", "15.75" ], [ "K9", "26", "16.0" ], [ "K9.5", "26.5", "16.5" ], [ "K10", "27", "17" ], [ "K11", "28.5", "17.5" ], [ "K12", "30", "18.5" ], [ "K13", "31.5", "19.5" ], [ "1", "32.5", "20" ], [ "1.5", "33", "20.5" ], [ "2", "33.5", "21" ], [ "2.5", "34.5", "21.5" ], [ "3", "35", "22" ], [ "3.5", "35.5", "22.25" ], [ "4", "36", "22.5" ], [ "4.5", "37", "23" ], [ "5", "37.5", "23.5" ], [ "5.5", "38", "24" ], [ "6", "39", "24.5" ], [ "6.5", "39.5", "25" ], [ "7", "40", "25.5" ] ], "notes": "Shown with Gender = Kids. 'K' sizes are toddler/little-kid sizes; 1-7 are grade-school sizes. No UK column.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/asics-kids.csv" } ], "modelCharts": [], "widths": { "options": [ { "code": "B", "label": "Men's narrow" }, { "code": "D", "label": "Men's standard" }, { "code": "2E", "label": "Men's wide" }, { "code": "4E", "label": "Men's extra wide" }, { "code": "2A", "label": "Women's narrow" }, { "code": "B", "label": "Women's standard" }, { "code": "D", "label": "Women's wide" }, { "code": "2E", "label": "Women's extra wide" } ], "source": "https://www.asics.com/us/en-us/aligned-size-charts/", "notes": "From the men's and women's shoe width charts on the size guide; not every model comes in every width." }, "fitGuidance": [ { "text": "For running shoes, ASICS generally recommends going up a half size from your casual shoe size.", "source": "https://www.asics.com/us/en-us/aligned-size-charts/" }, { "text": "Measure both feet at the end of the day, heel against a wall, and use the chart to compare.", "source": "https://www.asics.com/us/en-us/aligned-size-charts/" } ], "unverified": [ "ASICS does not say whether the CM column is your exact foot length or a rounded Japanese size; it suggests comparing your measured foot length with it." ] }