{ "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/keen-size-chart", "brand": "KEEN", "slug": "keen", "category": "outdoor", "origin": "US", "checked": "2026-10-24", "officialLinks": { "website": "https://www.keenfootwear.com/", "sizeGuide": "https://www.keenfootwear.com/pages/size-guide", "storeLocator": "https://www.keenfootwear.com/pages/stores", "help": "https://www.keenfootwear.com/pages/faq", "outlet": "https://www.keenfootwear.com/collections/sale", "membership": "https://www.keenfootwear.com/pages/rewards", "collections": [ { "label": "Men's Sandals", "url": "https://www.keenfootwear.com/collections/mens-sandals" }, { "label": "Women's Sandals", "url": "https://www.keenfootwear.com/collections/womens-sandals" }, { "label": "Water Shoes", "url": "https://www.keenfootwear.com/collections/water" }, { "label": "Work", "url": "https://www.keenfootwear.com/collections/work" }, { "label": "Kids", "url": "https://www.keenfootwear.com/collections/kids" } ], "regional": [ { "market": "UK", "url": "https://www.keenfootwear.co.uk/" }, { "market": "EU", "url": "https://www.keenfootwear.de/" }, { "market": "Canada", "url": "https://www.keenfootwear.ca/" }, { "market": "Japan", "url": "https://www.keenfootwear.jp/" } ] }, "sizeCharts": [ { "id": "men", "label": "Men's", "source": "https://www.keenfootwear.com/pages/size-guide", "lengthMeaning": "unstated", "lengthScales": { "CM": "measured", "JP": "size" }, "columns": [ "US", "UK", "EU", "JP", "CM" ], "rows": [ [ "7", "6", "39.5", "25", "24.4" ], [ "7.5", "6.5", "40", "25.5", "24.8" ], [ "8", "7", "40.5", "26", "25.4" ], [ "8.5", "7.5", "41", "26.5", "25.7" ], [ "9", "8", "42", "27", "26" ], [ "9.5", "8.5", "42.5", "27.5", "26.7" ], [ "10", "9", "43", "28", "27" ], [ "10.5", "9.5", "44", "28.5", "27.3" ], [ "11", "10", "44.5", "29", "27.9" ], [ "11.5", "10.5", "45", "29.5", "28.3" ], [ "12", "11", "46", "30", "28.6" ], [ "13", "12", "47", "31", "29.4" ], [ "14", "13", "47.5", "32", "30.2" ], [ "15", "14", "48", "33", "31" ], [ "16", "15", "48.5", "34", "31.8" ], [ "17", "16", "49", "35", "32.6" ] ], "notes": "Brand headers: US, UK, EU, CM (JP), Heel-to-toe (cm). Here JP is the brand's 'CM (JP)' column and CM is its 'Heel-to-toe (cm)' column. Chart data loads in the page from the site's own Shopify storefront API (page 'size-guide-adults' / 'size-guide-kids').", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/keen-men.csv" }, { "id": "women", "label": "Women's", "source": "https://www.keenfootwear.com/pages/size-guide", "lengthMeaning": "unstated", "lengthScales": { "CM": "measured", "JP": "size" }, "columns": [ "US", "UK", "EU", "JP", "CM" ], "rows": [ [ "5", "2.5", "35", "22", "21.6" ], [ "5.5", "3", "35.5", "22.5", "22.2" ], [ "6", "3.5", "36", "23", "22.5" ], [ "6.5", "4", "37", "23.5", "23" ], [ "7", "4.5", "37.5", "24", "23.5" ], [ "7.5", "5", "38", "24.5", "23.8" ], [ "8", "5.5", "38.5", "25", "24.1" ], [ "8.5", "6", "39", "25.5", "24.6" ], [ "9", "6.5", "39.5", "26", "25.1" ], [ "9.5", "7", "40", "26.5", "25.4" ], [ "10", "7.5", "40.5", "27", "25.9" ], [ "10.5", "8", "41", "27.5", "26.2" ], [ "11", "8.5", "42", "28", "26.7" ], [ "12", "9", "43", "29", "27.6" ] ], "notes": "Brand headers: US, UK, EU, CM (JP), Heel-to-toe (cm). Here JP is the brand's 'CM (JP)' column and CM is its 'Heel-to-toe (cm)' column. Chart data loads in the page from the site's own Shopify storefront API (page 'size-guide-adults' / 'size-guide-kids').", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/keen-women.csv" }, { "id": "unisex", "label": "All Gender", "source": "https://www.keenfootwear.com/pages/size-guide", "lengthMeaning": "unstated", "lengthScales": { "JP": "size" }, "columns": [ "US Men", "US Women", "UK", "EU", "JP" ], "rows": [ [ "3.5", "5", "2.5", "35.5", "21.5" ], [ "4", "5.5", "3", "36", "22" ], [ "4.5", "6", "3.5", "36.5", "22.5" ], [ "5", "6.5", "4", "37", "23" ], [ "5.5", "7", "4.5", "38", "23.5" ], [ "6", "7.5", "5", "38.5", "24" ], [ "6.5", "8", "5.5", "39", "24.5" ], [ "7", "8.5", "6", "39.5", "25" ], [ "7.5", "9", "6.5", "40", "25.5" ], [ "8", "9.5", "7", "40.5", "26" ], [ "8.5", "10", "7.5", "41", "26.5" ], [ "9", "10.5", "8", "42", "27" ], [ "9.5", "11", "8.5", "42.5", "27.5" ], [ "10", "11.5", "9", "43", "28" ], [ "10.5", "12", "9.5", "44", "28.5" ], [ "11", "12.5", "10", "44.5", "29" ], [ "11.5", "13", "10.5", "45", "29.5" ], [ "12", "13.5", "11", "46", "30" ], [ "13", "14.5", "12", "47", "31" ], [ "14", "15.5", "13", "47.5", "32" ], [ "15", "16.5", "14", "48", "33" ], [ "16", "17.5", "15", "48.5", "34" ], [ "17", "18.5", "16", "49", "35" ] ], "notes": "Brand headers: All Gender, US M, US W, UK, EU, CM (JP). The 'All Gender' size column is identical to 'US M' and is omitted; JP is the brand's 'CM (JP)' column.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/keen-unisex.csv" }, { "id": "toddler", "label": "Toddlers'", "source": "https://www.keenfootwear.com/pages/size-guide", "lengthMeaning": "foot", "lengthScales": { "CM": "measured", "JP": "size" }, "columns": [ "US", "UK", "EU", "JP", "CM" ], "rows": [ [ "4", "3", "19", "11.5", "11.4" ], [ "5", "4", "20/21", "12.5", "12.1" ], [ "6", "5", "22", "13.5", "13" ], [ "7", "6", "23", "14.5", "14" ] ], "notes": "Brand headers: US, UK, EU, CM (JP), Heel-to-toe (cm). Here JP is the brand's 'CM (JP)' column and CM is its 'Heel-to-toe (cm)' column. Chart data loads in the page from the site's own Shopify storefront API (page 'size-guide-adults' / 'size-guide-kids'). The kids guide says to measure foot length and match it to the chart.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/keen-toddler.csv" }, { "id": "little-kids", "label": "Little Kids'", "source": "https://www.keenfootwear.com/pages/size-guide", "lengthMeaning": "foot", "lengthScales": { "CM": "measured", "JP": "size" }, "columns": [ "US", "UK", "EU", "JP", "CM" ], "rows": [ [ "8", "7", "24", "15", "14.6" ], [ "9", "8", "25/26", "16", "15.6" ], [ "10", "9", "27/28", "17", "16.5" ], [ "11", "10", "29", "18", "17.1" ], [ "12", "11", "30", "18.5", "18.1" ], [ "13", "12", "31", "19.5", "19.1" ] ], "notes": "Brand headers: US, UK, EU, CM (JP), Heel-to-toe (cm). Here JP is the brand's 'CM (JP)' column and CM is its 'Heel-to-toe (cm)' column. Chart data loads in the page from the site's own Shopify storefront API (page 'size-guide-adults' / 'size-guide-kids'). The kids guide says to measure foot length and match it to the chart.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/keen-little-kids.csv" }, { "id": "big-kids", "label": "Big Kids'", "source": "https://www.keenfootwear.com/pages/size-guide", "lengthMeaning": "foot", "lengthScales": { "CM": "measured", "JP": "size" }, "columns": [ "US", "UK", "EU", "JP", "CM" ], "rows": [ [ "1", "13", "32/33", "20", "19.7" ], [ "2", "1", "34", "21", "20.6" ], [ "3", "2", "35", "22", "21.6" ], [ "4", "3", "36", "22.5", "22.2" ], [ "5", "4", "37", "23.5", "23.2" ], [ "6", "5", "38", "24.5", "24.1" ], [ "7", "6", "39", "25.5", "24.8" ] ], "notes": "Brand headers: US, UK, EU, CM (JP), Heel-to-toe (cm). Here JP is the brand's 'CM (JP)' column and CM is its 'Heel-to-toe (cm)' column. Chart data loads in the page from the site's own Shopify storefront API (page 'size-guide-adults' / 'size-guide-kids'). The kids guide says to measure foot length and match it to the chart.", "corrections": [], "lengthAnomalies": [], "csv": "https://sizelane.com/data/brands/keen-big-kids.csv" } ], "modelCharts": [], "widths": null, "fitGuidance": [ { "text": "To measure a child's foot: stand on paper with the heel against a wall, mark the longest toe on both feet, measure in centimetres and use the longer foot with the chart.", "source": "https://www.keenfootwear.com/pages/size-guide" }, { "text": "KEEN says every shoe starts with a secure heel fit and is built on an anatomical last with room for toes to splay.", "source": "https://www.keenfootwear.com/pages/size-guide" } ], "unverified": [ "KEEN's size guide lists no width options, so no widths are shown.", "KEEN does not say whether its 'CM (JP)' column is foot length or shoe length.", "KEEN's FAQ could not be read, so any sizing advice there (for example, what to do between sizes) is not included.", "KEEN also offers a printable kids' size chart, which was not used here." ] }