Koel Filas Hydro Black - Black barefoot Chelsea ankle boots for women

Koel Filas Hydro Black - Black barefoot Chelsea ankle boots for women

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119,95 €
Sale price  119,95 € Regular price  119,95 €
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Koel Filas Hydro Black - Black barefoot Chelsea ankle boots for women
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Koel

Koel Filas Hydro Black - Black barefoot Chelsea ankle boots for women

119,95 €
Sale price  119,95 € Regular price  119,95 €
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Pay in 3 interest-free installments of 39,98 €

Details

Koel Filas Hydro at Cacles Barefoot – Hydro Leather, Moisture Protection and Women's Chelsea Barefoot Ankle Boots

The Koel Filas Hydro are the women's Chelsea barefoot ankle boots designed to combine the most timeless British style with added protection against rain and wet ground. Available at Cacles Barefoot, these ankle boots stand out for their high-quality water-repellent leather upper (Hydro Leather), elastic side panels for a quick fit, eco-friendly chrome-free lining and the renowned 4.5 mm, flat and fully flexible rubber sole from Koel.

Why choose the Koel Filas Hydro women's Chelsea barefoot ankle boots at Cacles Barefoot?

  • Highly durable water-repellent leather upper (Hydro Leather): Natural leather specially treated to effectively repel water and external moisture, making it easy to clean and keeping feet dry and comfortable on rainy days or wet asphalt.

  • Classic Chelsea design with elastic side panels: Features two wide elastic bands on both sides that make slipping them on easier without the need for zippers or laces, ensuring a comfortable fit without pressure points on the ankle.

  • Chrome-free leather lining (Chrome-Free Leather): Soft-touch eco-friendly and hypoallergenic inner lining that optimally absorbs internal moisture, prevents chafing and ensures healthy breathability.

  • Flat removable recycled insole: Includes a completely removable flat insole made from recycled materials that makes it easier to ventilate the footwear, maintain daily hygiene and check the available space for the toes.

  • Functional heel pull tab: Practical rear loop that makes it easier to slide the foot inside comfortably while protecting the counter structure.

  • Lightweight and flexible construction: Anatomical ankle boots that follow the natural movement of the foot without adding stiffness or heaviness, ideal for long days.

  • Ethical manufacturing in the European Union: Designed in the Netherlands and handcrafted in Portugal under strict EU environmental and labor standards.

Benefits of Koel's barefoot design

  • Barefoot sensation (Zero Drop): Completely flat sole with no heel lift to promote an upright body posture and neutral biomechanical alignment of the spine.

  • Wide anatomical fit (Wide Toe Box): Spacious toe box designed following the actual silhouette of the female foot, allowing the metatarsals to expand and rest freely with every step.

  • Ultra-thin and flexible rubber sole (4.55 mm): Low-profile rubber base (4.55 mm) that offers great lightness, excellent ground proprioception and secure grip on wet urban surfaces.

Technical Specifications

Feature Detail
Brand Koel
Model Filas Hydro (Code 08L009.231)
Footwear type Women's Chelsea barefoot ankle boots / Water-resistant minimalist ankle boots
Recommended use Daily urban use, smart casual, work, leisure, light rainy days, transitional seasons, autumn and winter
Outer material (Upper) Water-resistant natural leather (Hydro Leather)
Inner material (Lining) Chrome-free eco-leather (Chrome-Free Leather)
Insole Removable and completely flat
Sole Flexible non-slip rubber (Rubber) (Zero Drop)
Sole thickness 4.55 mm
Closure / Fit Elastic side panels (Slip-On Chelsea)
Foot fit Normal to wide feet, medium insteps
Origin Designed in the Netherlands / Made in Portugal (EU)

Care and maintenance tips for water-repellent leather (Hydro Leather)

  1. Regular cleaning: Gently wipe away dirt, dust or surface mud with a damp cloth or soft sponge after use.

  2. Refreshing the water-repellent treatment: With continued use and exposure to water, it is recommended to periodically apply a neutral waterproofing spray to regenerate the water-repellent layer without altering the natural breathability of the leather.

  3. Care for the elastic panels: Avoid applying oily products or waxes directly to the textile elastic side bands to preserve their elasticity and original texture.

  4. Drying at room temperature: If the interior gets damp, remove the insole and let it dry naturally in a well-ventilated area away from direct sunlight. Avoid proximity to radiators, heaters or direct sunlight to preserve the integrity of the leather.

Tackle rainy days with timeless elegance, comfort and complete freedom of movement with Koel at Cacles Barefoot!

Add the Koel Filas Hydro to your cart and enjoy barefoot Chelsea ankle boots that are respectful, comfortable and ready for any weather.

Preparation and shipping

Immediate shipping - Cacles warehouse

  • Preparation: 1-3 business days
  • Shipping to home: 1-3 business days
  • Shipping to Post Office: 2-3 business days
  • Priority service: preparation and shipping on the same day (orders placed before 12:00 p.m. on business days). Add it to your cart.


NON-immediate shipping:
Cacles works with its own stock, scheduled replenishments, and the available stock of most of our suppliers. Therefore, some products have a longer shipping time. Priority service is not available for these products.

If you have a mixed order, it will be shipped once it is complete at our warehouse. If you need part of your order to be shipped sooner, write to us so we can process it (additional shipping costs may apply if the minimum amount for free shipping is not met). 

Read our shipping policy

Returns and exchanges

You have 14 days from the receipt of your order to request an exchange or return. You can do this through our returns portal.

Refunds:
Refunds are issued up to 14 calendar days after we receive the return.
If you would like an immediate refund, choose a store credit refund (immediate refund).

For hygiene reasons, we do not accept returns or exchanges of socks and insoles.

Terms and costs:
Please see our returns policy.

Easy exchanges and returns
Free shipping to mainland Spain from €65
Spain's largest barefoot catalog
5 years, 40,000+ feet covered
Características calzado barefoot Cacles 2026_libres y sanos.png__PID:b416df20-17bd-4adf-bc57-e1b2009310fc

Strengthens muscles and tendons

Características calzado barefoot Cacles 2026_conexión con el mundo.png__PID:c158df3b-83b4-46df-a017-bd2adffc57e1

Improves balance and stability

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Helps improve posture

Características calzado barefoot Cacles 2026_ultra cómodos.png__PID:bd2adffc-57e1-4200-9310-fc9c0beca8d1

Promotes a more natural stride

Leave room for your feet

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It takes the shape of your foot, not a triangle. Your toes spread out when you step down and don't overlap.

  • Anatomical shape · No side pressure · Aligned toes

It moves with your foot instead of braking it. You feel the ground and your foot works as it would barefoot.

  • Retractable by hand · Greater sensitivity · Grip on any surface

No hidden heel: your foot rests flat, just like when you walk barefoot around the house.

  • 0 mm heel-to-toe drop · Natural foot strike · No forced tilt

Less weight and less stiffness: the shoe follows every movement without overpowering it.

  • Lightweight materials · No rigid supports · Closure that adjusts to you

Science supports it

What studies say about walking in minimalist footwear.

01

+57%

of strength in the foot

After six months of wearing minimalist shoes every day, with no extra training.

Scientific Reports, 2021

02

+41%

in just 8 weeks

Walking in minimalist footwear strengthened the foot as much as a specific exercise program.

Ridge et al., Med. Sci. Sports Exerc., 2019

03

up to +10%

of muscle in the foot

Greater size of the intrinsic foot musculature, according to a review of 9 studies.

Systematic review of 9 studies

Data from scientific studies on minimalist footwear in healthy adults. Results vary from person to person and depending on the duration of use; it is advisable to transition gradually.

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