hylo LEGACY
Providing all-day comfort for the runner when they're not running. Celebrating running’s heritage. Building its future.
Free UK delivery & returns.
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Performance
Performance
The LEGACY’s 50% bio-based midsole provides all day comfort in-between runs. A breathable single knit upper and SpacerKnit padded heel provides lockdown and support whilst you recover.
Materials Science
Materials Science
PLA, Sugarcane Derived: 38.64% | EVA: 12.98% | Natural Rubber: 12.03% | Binders: 8.24% | Recycled Polyester: 4.97% | PU Foam: 4.80% | Biodegradable Polyester: 3.39% | Lyocell: 3.32% | PLA, Corn-Derived: 2.79% | Organic Cotton: 2.49% | Cotton: 2.23% | Water-based glue: 1.40% | Susterra®: 0.53% | Bio-based TPU: 0.30% | Polyester: 0.29% | NFC: 0.01% | Water-based ink: 0.01%
Impact
Impact
Packaging: Our box is made of FSC-recycled cardboard with no additional packaging used from factory to foot.
Recyclable: When you are finished with your shoes, you can send them back to us for recycling.
Supplier: Assembled in SEMS, China. We conduct regular third-party audits of labour conditions.
Size + Fit
Size + Fit
Our footwear fits true to your normal size.
Care Guide
Care Guide
We recommend hand-washing the hylo LEGACY. Using a soapy water solution, brush the upper’s surface until dirt and stains are removed.
For more detailed washing information, please see our FAQ page. Or tap the hyloop logo on the LEGACY’s tongue for more tailored information.
Delivery and Returns
Delivery and Returns
Free USA delivery & returns.
For more information refer to Delivery and Returns, Exchanges and Recycling.





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Shoes sizing chart
Our footwear fits true to size.
We recommend ordering your usual size.
US Men | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 |
US Women | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15.5 |
UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 |
EU | 36 | 36.5 | 37.5 | 38 | 38.5 | 39 | 40 | 40.5 | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 | 46 | 47 | 47.5 | 48.5 |
CM | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 | 31 | 32 |
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BIO-BASED
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STACK HEIGHT
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CARBON FOOTPRINT
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WEIGHT
THIS SHOE IS MADE FROM:
THIS SHOE IS MADE FROM:
PLA - Sugarcane Derived[38.64%]
We replace the industry-standard polyester with PLA in different applications - predominantly, in a knitted upper construction as well as a soft, spingy midsole to ensure a breathable and lightweight feel.
✖EVA[12.98%]
EVA is a material we want to find an alternative for. It currently provides cushioning and shock absorption in the LEGACY’s midsole.
✖Natural Rubber[12.03%]
Renewable & bio-based. We remove synthetic rubber and use this naturally-produced alternative, predominantly derived from the native Brazilian plant Hevea brasiliensis. Increases tear resistance.
✖Binders[8.24%]
Used in the bio-based overlays and outsole to create consistency of performance and maintain the shoe’s structural integrity.
✖Recycled Polyester[4.97%]
Our usage of recycled polyester is something we want to reduce. However, its performance credentials are required for strength and durability while reducing our reliance on virgin polyester.
✖PU Foam[4.80%]
Built on biomechanics research this material is light, spongy, supportive and breathable. Used in our insole. We are working to decrease our usage of this non-renewable material.
✖Biodegradable Polyester[3.39%]
Mixed with corn-derived PLA for lateral and medial reinforcement - a planet-friendly alternative to standard polyester. Used in our internal reinforcement.
✖Lyocell[3.32%]
✖
PLA - Corn-Derived[2.79%]
In our application, this is the alternative to the industry-standard EVA or polyester, used in our internal reinforcement. Helps reduce our reliance on standard EVA and other plastics used for reinforcements.
✖Organic Cotton[2.49%]
GOTS Certified Organic Cotton emits 94% less greenhouse gases in production compared to conventional cotton.
✖Cotton[2.29%]
Used as the substrate in our internal reinforcement, where polyester or nylon would typically be used. Durable. Strong. We are working towards making this organic.
✖Water-based glue[1.40%]
Our alternative to solvent-based adhesives that are commonly used in the footwear industry.
✖Tencel[1.29%]
Our use of bio-based TPU increases the durability and dirt-resistance of the LEGACY’s upper while reducing our reliance on fossil fuels.
✖Susterra®[0.53%]
Renewable and plant-based. Susterra® is a renewably sourced foam that generates up to 48% less greenhouse gas emissions compared to common fossil-fuel based alternatives. Provides improved flexibility and tear strength, and is soft yet resilient. Used in our insole.
✖Bio-based TPU[0.30%]
Our use of bio-based TPU increases the durability and dirt-resistance of the LEGACY’s upper while reducing our reliance on fossil fuels.
✖Polyester[0.29%]
A material we’re seeking to reduce to nil in our products. Used in the stitching thread.
✖TPU[0.23%]
Increases the durability and dirt-resistance. We are in the process of phasing out the use of this material.
✖NFC[0.01%]
A digital ID to enable care, repair and recycling.
✖Water-based Ink[0.01%]
Inks and glues are critical in our vegan certification. Less impact than solvent based inks commonly used that utilise more harmful chemicals.
✖We replace the industry-standard polyester with PLA in different applications - predominantly, in a knitted upper construction as well as a soft, spingy midsole to ensure a breathable and lightweight feel.
EVA is a material we want to find an alternative for. It currently provides cushioning and shock absorption in the LEGACY’s midsole.
Renewable & bio-based. We remove synthetic rubber and use this naturally-produced alternative, predominantly derived from the native Brazilian plant Hevea brasiliensis. Increases tear resistance.
Used in the bio-based overlays and outsole to create consistency of performance and maintain the shoe’s structural integrity.
Our usage of recycled polyester is something we want to reduce. However, its performance credentials are required for strength and durability while reducing our reliance on virgin polyester.
Built on biomechanics research this material is light, spongy, supportive and breathable. Used in our insole. We are working to decrease our usage of this non-renewable material.
Mixed with corn-derived PLA for lateral and medial reinforcement - a planet-friendly alternative to standard polyester. Used in our internal reinforcement.
In our application, this is the alternative to the industry-standard EVA or polyester, used in our internal reinforcement. Helps reduce our reliance on standard EVA and other plastics used for reinforcements.
GOTS Certified Organic Cotton emits 94% less greenhouse gases in production compared to conventional cotton.
Used as the substrate in our internal reinforcement, where polyester or nylon would typically be used. Durable. Strong. We are working towards making this organic.
Our alternative to solvent-based adhesives that are commonly used in the footwear industry.
Our use of bio-based TPU increases the durability and dirt-resistance of the LEGACY’s upper while reducing our reliance on fossil fuels.
Renewable and plant-based. Susterra® is a renewably sourced foam that generates up to 48% less greenhouse gas emissions compared to common fossil-fuel based alternatives. Provides improved flexibility and tear strength, and is soft yet resilient. Used in our insole.
Our use of bio-based TPU increases the durability and dirt-resistance of the LEGACY’s upper while reducing our reliance on fossil fuels.
A material we’re seeking to reduce to nil in our products. Used in the stitching thread.
Increases the durability and dirt-resistance. We are in the process of phasing out the use of this material.
A digital ID to enable care, repair and recycling.
Inks and glues are critical in our vegan certification. Less impact than solvent based inks commonly used that utilise more harmful chemicals.





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