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Continue shoppingBoy's breathable ankle boot with a hybrid style and an incredibly comfortable design.
In order to guarantee you the perfect fit, Geox provides you also with the half size for the classic models.
As regards sport shoes, only the full size is available, but you can adjust the laces to find the perfect fit.
If you buy Geox for the first time, we would like to inform you that our classic shoes have a wide fit, so we recommend that you choose a half size smaller than your usual size.
Place your bare foot on a white sheet of paper with the heel against a vertical wall. Mark your longest toe on the paper. Measure the distance in mm from the wall to the mark with a ruler. Read the measurement obtained and the corresponding one in the "Foot length in mm" column and find the right size.
| EU | US | UK | Insole length (mm) | Foot size (mm) |
|---|---|---|---|---|
| 35 | 5 | 2.5 | 233 | 227 |
| 35.5 | 5.5 | 2.8 | 235 | 230 |
| 36 | 6 | 3 | 240 | 234 |
| 36.5 | 6.5 | 3.5 | 244 | 237 |
| 37 | 7 | 4 | 247 | 240 |
| 37.5 | 7.5 | 4.5 | 251 | 244 |
| 38 | 8 | 5 | 254 | 247 |
| 38.5 | 8.5 | 5.5 | 257 | 250 |
| 39 | 9 | 6 | 260 | 254 |
| 39.5 | 9.5 | 6.5 | 264 | 257 |
| 40 | 10 | 7 | 267 | 260 |
| 40.5 | 10.3 | 7.3 | 270 | 264 |
| 41 | 10.5 | 7.5 | 273 | 267 |
| 42 | 11 | 8 | 280 | 273 |
IT | DE | FR | US | UK |
|---|---|---|---|---|
| 38 | 32 | 34 | 2 | 4 |
| 40 | 34 | 36 | 4 | 6 |
| 42 | 36 | 38 | 6 | 8 |
| 44 | 38 | 40 | 8 | 10 |
| 46 | 40 | 42 | 10 | 12 |
| 48 | 42 | 44 | 12 | 14 |
| 50 | 44 | 46 | 14 | 16 |
| 52 | 46 | 48 | 16 | 18 |
| 54 | 48 | 50 | 18 | 20 |
In order to guarantee you the perfect fit, Geox provides you also with the half size for the classic models.
As regards sport shoes, only the full size is available, but you can adjust the laces to find the perfect fit.
If you buy Geox for the first time, we would like to inform you that our classic shoes have a wide fit, so we recommend that you choose a half size smaller than your usual size.
Place your bare foot on a white sheet of paper with the heel against a vertical wall. Mark your longest toe on the paper. Measure the distance in mm from the wall to the mark with a ruler. Read the measurement obtained and the corresponding one in the "Foot length in mm" column and find the right size.
| EU | US | UK | Insole length (mm) | Foot size (mm) |
|---|---|---|---|---|
| 39 | 6 | 6 | 260 | 251 |
| 40 | 7 | 6.5 | 267 | 257 |
| 41 | 8 | 7 | 273 | 263 |
| 41.5 | 8.5 | 7.5 | 277 | 266 |
| 42 | 9 | 8 | 280 | 270 |
| 42.5 | 9.5 | 8.5 | 283 | 273 |
| 43 | 10 | 9 | 286 | 277 |
| 43.5 | 10.5 | 9.5 | 290 | 280 |
| 44 | 11 | 10 | 293 | 284 |
| 45 | 12 | 10.5 | 300 | 291 |
| 46 | 12.5 | 11 | 306 | 298 |
| 47 | 13 | 12 | 313 | 304 |
IT | DE | FR | US | UK |
|---|---|---|---|---|
| 46 | 46 | 42 | 36 | 36 |
| 48 | 48 | 44 | 38 | 38 |
| 50 | 50 | 46 | 40 | 40 |
| 52 | 52 | 48 | 42 | 42 |
| 54 | 54 | 50 | 44 | 44 |
| 56 | 56 | 52 | 46 | 46 |
| 58 | 58 | 54 | 48 | 48 |
| 60 | 60 | 58 | 50 | 50 |
In order to guarantee you the perfect fit, Geox provides you also with the half size for the classic models.
As regards sport shoes, only the full size is available, but you can adjust the laces to find the perfect fit.
If you buy Geox for the first time, we would like to inform you that our classic shoes have a wide fit, so we recommend that you choose a half size smaller than your usual size.
Place your bare foot on a white sheet of paper with the heel against a vertical wall. Mark your longest toe on the paper. Measure the distance in mm from the wall to the mark with a ruler. Read the measurement obtained and the corresponding one in the "Foot length in mm" column and find the right size.
| EU | US | UK | Insole length (mm) | Foot size (mm) |
|---|---|---|---|---|
| 24 | 8 | 7 | 160 | 150 |
| 25 | 8.5 | 7.5 | 167 | 157 |
| 26 | 9 | 8.5 | 174 | 164 |
| 27 | 10 | 9 | 180 | 170 |
| 28 | 10.5 | 10 | 187 | 177 |
| 29 | 11 | 11 | 193 | 184 |
| 30 | 12 | 11.5 | 200 | 190 |
| 31 | 13 | 12.5 | 206 | 197 |
| 32 | 1 | 13 | 214 | 204 |
| 33 | 2 | 1 | 220 | 210 |
| 34 | 3 | 1.5 | 227 | 217 |
| 35 | 3.5 | 2.5 | 233 | 224 |
| 36 | 4 | 3 | 240 | 230 |
| 37 | 5 | 4 | 247 | 237 |
| 38 | 5.5 | 5 | 254 | 244 |
| 39 | 6 | 6 | 260 | 250 |
| 40 | 6.5 | 6.5 | 267 | 257 |
| 41 | 7 | 7 | 273 | 264 |
In order to guarantee you the perfect fit, Geox provides you also with the half size for the classic models.
As regards sport shoes, only the full size is available, but you can adjust the laces to find the perfect fit.
If you buy Geox for the first time, we would like to inform you that our classic shoes have a wide fit, so we recommend that you choose a half size smaller than your usual size.
Place your bare foot on a white sheet of paper with the heel against a vertical wall. Mark your longest toe on the paper. Measure the distance in mm from the wall to the mark with a ruler. Read the measurement obtained and the corresponding one in the "Foot length in mm" column and find the right size.
| EU | US | UK | Insole length (mm) | Foot size (mm) |
|---|---|---|---|---|
| 15 | 1 | 0,5 | 100 | 90 |
| 16 | 1,5 | 1 | 107 | 97 |
| 17 | 2 | 1,5 | 114 | 104 |
| 18 | 3 | 2,5 | 120 | 110 |
| 19 | 4 | 3 | 127 | 117 |
| 20 | 4.5 | 3.5 | 134 | 124 |
| 21 | 5.5 | 4.5 | 140 | 130 |
| 22 | 6.5 | 5 | 147 | 137 |
| 23 | 7 | 6 | 154 | 144 |
| 24 | 8 | 7 | 160 | 150 |
| 25 | 8.5 | 7.5 | 167 | 157 |
| 26 | 9 | 8.5 | 174 | 164 |
| 27 | 10 | 9 | 180 | 170 |
| 28 | 10.5 | 10 | 187 | 177 |
Standard shipping: free. Delivery within 3-5 business days.
Express shipping: 24.90 €. Delivery within 1-2 business days.
Shipping Information
Pick up of parcel at home
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Customer Service
Boy's breathable ankle boot with a hybrid style and an incredibly comfortable design. Xunday Boy comes with an exclusive Geox-patented perforated sole which maintains an ideal micro-climate inside the shoe. With a flexible cushioned sole in lightweight EVA, the tread features rubber inserts that provide an improved grip and extra durability whilst the wavy grooves ensure flexibility and adapt to the natural movement of the foot. The mesh lining boosts breathability, while the removable insole is hygienic and practical and has cushioned memory-foam insert to protect the heel and for perfect shock-absorption. The upper comes in brown and blue suede and has a lace-up and inner-leg-zip fastening, making this piece of footwear easy and quick to put on.
There is a perfect shoe for every child. We have them all.
Thanks to Geox’s high level of specialisation, GEOX knows how to ensure the correct development and wellbeing for young feet during every phase of growth.
Every so often children dream about being adults. That’s why we have designed a model for your children that is inspired by mum and dad’s shoes yet does not impede safety and comfort.
The classic Geox rubber sole is based on an exclusive patent: the combination of the perforated sole and the resistant breathable and waterproof membrane allow for natural temperature regulation, thereby creating the perfect microclimate inside the shoe that keeps feet dry and comfortable for the whole day.
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Standard shipping: free. Delivery within 3-5 business days.
Express shipping: 24.90 €. Delivery within 1-2 business days.
Shipping Information
Pick up of parcel at home
Returns & Refunds
Customer Service

The rubber sole is perforated and incorporates a special microporous membrane that absorbs and expels sweat without letting water in. The gradual elimination of moisture reduces feet overheating and creates an ideal, healthy microclimate inside the shoes, keeping feet warm and dry in the winter, and cool and dry in the summer.
RESPIRA means breathe, but above all, continuous innovation, research and experimentation, aimed at improving the quality of our experiences through the clothes and shoes we wear: this is a philosophy that combines creativity and performance, style and technology and respect for the environment and for people to create a simple and attractive balance between modern styling and long-lasting functionality.