“Altamira” design vegan sandals – Grape

100% VEGAN


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100% VEGAN


35 = up to 22,4
36 = up to 23
37 = up to 23.5
38 = up to 24
39 = up to 24,5
40 = up to 25
41 = up to 26
42 = up to 26,5
43 = up to 27.8
44 = up to 28.5
45 = up to 29.1

Women’s Size Conversions
EURO 36 37 38 39 40 41 42
Reino Unido 3 4 ½ 5 5 ½ 6 7- 8 8
USA 6 7 8 8 ½ 9 10 11
Japón 23 cm 23.5 cm 24 cm 24.5 cm 25 cm 26 cm 26.5 cm

For more accurate sizing, measure your feet using the following method.


2 sheets of paper (or one double-sided)
Ruler or straight edge
Hardcover book or CD jewel case
A friend to help you
When measuring your feet, we recommend that you wear medium-weight socks. We also recommend that you measure both feet, and use the measurement of the larger foot in determining your size.

STEP 1: Mark a point in the center of one of the short sides of the paper with a V.

STEP 2: Place the paper on the floor, with the V touching a wall.

STEP 3: Place one foot securely on the paper, with your longest toe (whether that’s the big toe or the second) gently touching the wall right above the X. Stand up straight, with your weight equally distributed between both feet. Adjust your foot if necessary so that your toe is not pressed against the wall, but is just barely touching it.

STEP 4: Have your friend rest the book or CD case against your heel. Again, it should barely touch the heel, rather than being pressed against it. NOTE: Be sure to keep the straight edge perfectly vertical, and not slanting inward or outward from the foot.

STEP 5: Carefully lift your heel so as not to move the book, giving your friend space to mark the appropriate length on the paper.

STEP 6: Remove your foot from the paper, and draw a straight line between the line drawn at the heel and the V at the top of the page. Measure the length of the line.

STEP 7: Repeat the process with the other foot.

STEP 8: Using the larger of the two lengths, convert it to your shoe size using the size chart below:
Shoe size = maximum foot length (cm)

Additional information

Weight 0.600 g
Dimensions 30 × 18 × 11 cm
Shoe Size (EU)

35, 36, 37, 38, 39, 40, 41, 42, 43


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Bioworld is a vegan footwear brand created by a family business specialized in footwear for over a hundred years.

A sports boot made in our workshop in the 1930s

In all this time the García Balmaseda family has manufactured various types of footwear. 25 years ago there was an important change, we thought that ecology was the most important factor to add to our daily work. We begin to manufacture ecological footwear. Five years later we thought it necessary to also make special footwear for vegan people. And in 2014 we made our final decision, from now on we would only manufacture vegan footwear. A happy, wise and ethical decision.
We are still a family workshop. Whoever writes this is the same person who makes the shoes. We do not order the manufacture of our footwear from other factories, we do it with our own hands.

Our workshop in 1948

Our workshop in 1959

boots made in 1961

We do not use chain work as a manufacturing method, but traditional and traditional elaboration, according to the knowledge acquired by four generations of shoemakers. The current owner of the workshop, Jesús García Cordero, has the artisan card No. 4500772, issued by the Ministry of Industry and Labor of Castilla La Mancha, official official institution in charge of protecting quality traditional artisan works.

Our shoemakers in 1965

In a trade show, Madrid 1968

1995, begining Bioworld ecologial footwear.





Shipping costs

Shipping from Spain
Within Spain Free
Outside Spain Free

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100 percent Vegan
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No animal testing