Name: Biar Rocker
Brand: Zapato Feroz
SKU: FERO-A25BIR-YM24
Price: 65.0 EUR
Availability: InStock
Rating: 4.78 (283 reviews)

NEW SEASON

Lateral Biar Rocker | Azul Royal Microfibra Nilo

Superior Biar Rocker | Azul Royal Microfibra Nilo

Detalle Biar Rocker | Azul Royal Microfibra Nilo

Plegado Biar Rocker | Azul Royal Microfibra Nilo

Portada Biar Rocker | Azul Royal Microfibra Nilo | Gris Microfibra Nobuck Nilo | Mint Microfibra Nilo | Rojo Microfibra Nilo | Rosa Palo Microfibra Nilo

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Biar Rocker

The barefoot trainer designed to respect the foot beyond the pavement too.

Feroz recommendation: For low and medium insteps.

Regular barefoot last. Straight shape with plenty of room across the metatarsals for natural freedom of movement.

Rubber sole with a deep tread that provides extra grip on uneven ground. And a reinforced rubber toe capto keep up with the most intrepid hikers and protect your feet on every adventure.

Vegan materials: microfibre combined with ultra-durable, breathable nylon mesh.

Breathable lining and removable Coolmax® insole. Easy to remove for cleaning and airing out the shoe. With technical fabric that wicks away sweat and keeps feet dry.

Mixed closure of elastic laces and Velcro, for a quick, secure and completely independent fit.

⚕️ pediatric podiatrists for its design.

* Due to logo changes and material stock, you may receive products with boxes, soles, or labels with the previous logo.

Choose the correct size:

Your little one's feet need enough space to grow healthily, but not so much that it interferes with their movement.
Measure both feet and use the larger measurement.
Measure at the end of the day, when the foot is most expanded.

How to use the Feroz size guide template

Rockers size and measurement chart

Ideal: 1 cm of space between the end of the foot and the end of the shoe. Acceptable range: 0.8 cm – 1.2 cm. Change size when there is 0.4 cm of space left, as the foot expands when walking.

Feroz Size	Inner length	Ideal foot length at purchase	When to change size
24	15.9 cm	14.7 – 15.1 cm	15.5 cm
25	16.6 cm	15.4 – 15.8 cm	16.2 cm
26	17.3 cm	16.1 – 16.5 cm	16.9 cm
27	17.9 cm	16.7 – 17.1 cm	17.5 cm
28	18.6 cm	17.4 – 17.8 cm	18.2 cm
29	19.3 cm	18.1 – 18.5 cm	18.9 cm
30	19.9 cm	18.7 – 19.1 cm	19.5 cm
31	20.6 cm	19.4 – 19.8 cm	20.2 cm
32	21.3 cm	20.1 – 20.5 cm	20.9 cm
33	21.9 cm	20.7 – 21.1 cm	21.5 cm
34	22.6 cm	21.4 – 21.8 cm	22.2 cm
35	23.2 cm	22.1 – 22.5 cm	22.9 cm
36	23.8 cm	22.6 – 23.1 cm	23.5 cm
37	24.5 cm	23.2 – 23.8 cm	24.2 cm
38	25.2 cm	23.9 – 24.5 cm	24.9 cm

If your little one's foot measures, for example, 16.6 cm and exceeds size 26 but does not reach size 27, our recommendation is that you wait for the next size and take advantage of the full useful life of the shoe.

Printable templates

Download and print at actual size (100% scale) on A4 paper. If you don't have a printer, draw the rectangle yourself — the number on the left indicates the vertical size of the rectangle, margins included.

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Microfiber

A vegan material that replicates the properties of natural leather, designed to keep up with kids’ non-stop adventures. Soft, durable, easy to clean and perfect for everyday wear.

Nylon

Highly durable technical fabric, light, flexible and very breathable. It helps air circulate to keep the foot cool and comfortable for longer.

OEKO-TEX® Certification

A highly durable vegan material that is easy to clean and quick to dry. It is OEKO-TEX® Standard 100 Class I certified, confirming that it is an eco-friendly material and free from substances harmful to health. It also carries the V-Label certification from the European Vegetarian Union in the vegan category.

Lining

Coolmax® technical fabric made with fibres that help wick moisture away, providing a pleasant feeling of freshness and keeping feet dry for longer.

OEKO-TEX® STANDARD 100 certified, ensuring the material is free from substances harmful to health and is gentle on the skin.

Breathable and antibacterial insoles

All our insoles are removable and made with breathable Coolmax® technical fabric, which helps wick moisture away and keeps feet dry and comfortable throughout the day.

The base features foam with activated charcoal, which helps prevent the growth of bacteria responsible for unpleasant odours.

OEKO-TEX® Standard 100 certified.

Flexible sole for natural movement

The flexible rubber sole provides a natural, secure and comfortable feel, allowing the foot to move freely while ensuring excellent ground contact. It offers:

🔹Great flexibility

🔹Excellent grip

🔹High resistance to wear

🔹Impact protection without restricting movement

The sole thickness varies according to size to adapt to the foot as it grows:

🔸3.5 mm in sizes 24–28

🔸4 mm in sizes 29–33

🔸4.5 mm in sizes 34–35

This provides the perfect balance between protection, stability and freedom of movement.

Sustainability in every step

The rubber used enhances the performance of our barefoot footwear and allows materials to be reused within the manufacturing process itself, reducing waste and supporting more responsible production.

A small step towards a more sustainable future.

Caring for your Feroces is part of the journey too.

You'll share lots of adventures with your Feroces… And although they're made to go everywhere with you with fierce dignity… they also need a little care. Just remember, caring isn't scrubbing until the memories are gone.

What they need:

Gentle, regular cleaning.
Avoid over-cleaning. If you clean your shoes every day, it can backfire in the long run. Cleaning too often can speed up wear on the material.
We don't recommend the washing machine.
Use a neutral soap.
Keep the shoes away from heat sources. Don't use a tumble dryer or radiator, and don't dry them in direct sunlight. High temperatures can dry out and damage the rubber.
Take care with bright colours. Some strong shades may release a little colour if soaked in water. In that case, it's best to clean them with a slightly damp, well-wrung cloth.

How to hand-clean your shoes, step by step:

Brush them dry with a stiff shoe brush to remove dust and surface dirt.
Apply a little natural shoe cleaner to a soft shoe brush and dampen it slightly with water.
Rub gently to clean the surface well.
Remove the moisture and dry the shoe with a clean cloth.
Let them air-dry, away from direct heat.

Ready to keep on stepping!

How to clean your insoles

Remove dirt while dry, rubbing with a stiff shoe brush.
Mix water and soap in a bowl, soak the insole and brush it vigorously.
Rinse with plenty of water.
Mix vinegar and bicarbonate of soda, and spread the mixture onto the insole with a brush.
Leave to dry (never in the sun).
Once the mixture is dry, brush the insole to remove the powder left by the mixture.

Washing and caring for your laces

We recommend washing them by hand or on a gentle cycle with cold or lukewarm water.
Avoid high temperatures, as they can damage their elasticity and shorten their life. Let them air-dry, away from direct heat, to keep their shape and strength.

How do I cancel an order?

You can cancel an order within 30 minutes of placing it from the "My account". You'll receive a full refund and won't be able to change your order any more.

How do I return an item?

You have 30 days to make a return through our returns portal. Enter your order number and postcode and select the item you want to return. Print the label and take the parcel to Correos or request a collection. Once the product reaches us, we'll refund its price minus the return costs (€5 for Spain, €7 for Portugal and €10 from the rest of Europe).
Remember that returned items must be unused, in perfect condition and in their original box. Don't stick the label on the shoe box: stick it on the bag or box you use as packaging (you can reuse the box they came in).

What if I want an exchange?

Exchanging one product for another means making a return and a new order, all in one process, with the value of the returned product already deducted when you check out the new order, and this link explains it in more detail
How to exchange a product

Remember that you can only make one exchange per product in your order, and you can't exchange again the order created through this process. If you want to change the product again, you'll need to make a return and a new order.

For more information, see these pages: