BioWorld
CHAD Barefoot Sandals
CHAD Barefoot Sandals
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CHAD – Minimalist Barefoot Sandals by BIOWORLD
Step into summer with CHAD, a natural barefoot sandal designed by BIOWORLD for everyday comfort and freedom. Made in Spain with a minimalist approach, CHAD features a wide toe box, zero-drop sole, and flexible construction that allows your feet to move naturally and breathe effortlessly.
Crafted from high-quality, breathable materials with an adjustable strap system, CHAD offers a secure, custom fit while staying ultra-lightweight. The flat, grippy sole gives you just the right amount of protection without sacrificing ground feel – ideal for slow fashion lovers who value natural movement and style.
Perfect for urban walks, weekend escapes, and warm weather freedom – CHAD is barefoot simplicity at its best.
Materials:
Upper – Plant-based microfiber from the Giardini Eco
Insole – Microfiber suede from the On Micro
Sole – Vibram’s Supernew Flex 4 mm
▶ Delivery Terms
We provide Free delivery via Royal Mail Second Class, according to Royal Mail's regulations, is made within 2 to 4 business days. The specified delivery period begins after order confirmation. Please note that delivery does not occur on Sundays and public holidays. Once your order is dispatched, a tracking number will be sent to your email for package tracking.
▶ Return Policy
We offer a free return service throughout the UK within 30 days of delivery.
- Log in to your account on our store’s website.
- Submit a return request for the item you'd like to return.
- Once we receive your request, we will send you a prepaid return label. Label is valid for 7 days.
- Use this label to return your shoes free of charge.








Bioworld sizes chart

UK size | EU size | Length (cm) | Width (cm) |
3.5 | 36 | 23,7 | 9,1 |
4.5 | 37 | 24,5 | 9.4 |
5.5 | 38 | 25,2 | 9,7 |
6 | 39 | 25,7 | 9,9 |
7 | 40 | 26,3 | 10,1 |
8 | 41 | 26,9 | 10,3 |
8.5 | 42 | 27,4 | 10,5 |