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Continue shoppingBoy's snow boot with a breathable waterproof design and excellent thermal isolation.
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.
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Pick up of parcel at home
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Customer Service
Boy's snow boot with a breathable waterproof design and excellent thermal isolation. New Gulp Boy ABX has been fitted with an exclusive Geox-patented perforated sole made from non-slip TR with a lightweight durable construction, making for an extremely comfortable breathable piece of footwear. The Flexy-System and Softly-Cushioned-System on the tread make for a pliant piece of footwear which absorbs knocks and bumps as well as vibrations coming up from the ground. The faux-fur lining is soft and cosy whilst the insole comes in wool and is removable for the sake of convenience and hygiene. The Amphibiox patent makes for a waterproof piece of footwear that is perfect for having fun on snow-covered slopes. Made with a double-riptape closure, the upper comes in a versatile navy and royal-blue colourway and is easy to slip on.
Amphibiox features advanced waterproof technology from the world of professional outdoor wear hidden in the form of a fashionable shoe. Be ready for everything the city throws at you, with Amphibiox, the perfect footwear choice for any condition.
Amphibiox is top of the range in terms of Geox’s waterproof products. It stands out from other waterproof shoes by employing the use of Geox’s pioneering waterproof and breathable sole, pairing it with a series of innovative technologies (including some of Geox’s own patents) on the upper, in order to achieve durable water resistance and breathability.
The special Amphibiox membrane protects against rain, mud and snow, leaving your foot completely dry. The high breathability helps with natural internal temperature regulation, removing moisture from the shoe and guaranteeing freshness or warmth depending on the external temperature.
Shoes featuring Amphibiox technology have been designed to provide different levels of water resistance depending on your needs. This model is recommended for outdoor activities, even in heavy rain.
These shoes feature a thermal lining that can protect against even the harshest temperatures. GEOX technology at the service of comfort and practicality.
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.
These little shoes have been specially designed to sustain the feet of children from one year and up and to provide the right support for every small step they take.
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

Amphibiox® is a range of high performance waterproof shoes developed to meet the needs of a varied range of situations and environmental conditions. Innovative technologies are combined to bring additional durable waterproof performance to the shoe upper and offer an unparalleled all around breathability: a special breathable, waterproof membrane protects both the sole and the upper, preventing water, mud and wet snow from getting to the feet, which stay warm and dry while breathing naturally.
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.