Algae Unisex SeaCell Vegan Trainers | Blue By Corail

Ships from France | FREE EU Returns on Corail

This product is currently available for pre-order. The pre-order period will end on the 7th of May and shipment will take place from the end of July. 

Trainers made with SEACELL, an innovative fabric made from seaweed, grown in an eco-responsible way, without toxic products, and whose production requires less water than almost all conventional fabrics.

All Corail models are unisex. Choose your usual size. However, if you hesitate between two sizes, Corail advises you to take the smaller one.

Handmade in an artisanal workshop near Porto, Portugal which has been making shoes by hand for generations. The result is quality finishes, robust and durable assembly, and production under the best possible conditions. 

Cruelty free & PETA- approved vegan.

Mesh upper 95% recycled polyamide 5% elastane.
Inserts in recycled polyester coated with biobased polyurethane.
Inserts in vegan suede 100% recycled polyester.
Insoles in 100% recycled PU foam covered with a fabric 68% organic cotton 19% SeaCell 10% SmartCell 3% Elastane.
57% recycled rubber outsoles (50% preconsumer rubber 7% PET bottles).
68% organic cotton lining 19% SeaCell 10% SmartCell 3% Elastane.
100% polyester laces recycled.


As a marketplace, all items are shipped to you directly by our brands, using tracked delivery. If you have purchased multiple items from different brands at the same time, each item will be sent separately.

Our brands usually dispatch items within 12 days of your order. Shipping can take between 3–10 days depending on where you are based and where the brand is based. See our Delivery page for full details.

If you have any questions or issues with delivery of your item, please contact us at


You have 14 days to inform us of your desire to return an item, and then a further 14 days from the date you notify us to send back the item. See our Returns page for full details.

If you would like to return an item, please email us at Please check the return costs for sending back to the brand's location before ordering. The brand's country is mentioned on the product page.

If you order an item that ships to you from within your own country, there will be not be any additional taxes, duties or fees on receipt of goods.

If you order an item that ships to you from another country, your order may be subject to import duties, which are the result of international trade agreements between countries. However please note that:

  • For UK customers, many items made in the EU are also exempt from any import charges;
  • For US customers, all orders under $800 are also duty free, which means there will be no additional fees applied;
  • For EU customers, all orders from within the EU are exempt from any import charges.

See Taxes & Duties page for full details.

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