Essential info
Essential info

Benefits
Benefits

TECHAMPHIBIAN 4 W
Convenience
With a collapsible heel and quicklace, this shoe goes from an easy slip on to a performance outdoor shoe in an instant.
Outdoor capability
A Contagrip® outsole, protective toe cap and quicklace adjustment provide the grip, protection and foothold that you expect from a performance outdoor shoe.
Water performance
Super breathable mesh lets water evacuate the shoe, but doesn't let debris in.
Technologies
Technologies
UPPER CONSTRUCTION
Collapsible heel
Wear your shoes like a normal shoe, or slide it on and off with the heel collapsed.
UPPER CONSTRUCTION
Welded upper
Stitch-free upper construction provides a smooth, glove-like, fit and feel.
LACING SYSTEM
Quicklace™
Minimalistic and strong lace for one-pull tightening. Easy-on, easy-off.
Contagrip® FD
Designed for adhesion on wet or smooth surfaces, Contagrip® FD uses flat and sometimes siped lugs, with a highly durable compound.
Sipping
Perforated grooves on the outsole improve friction on wet and flat rock surfaces.
EnergyCell
A high performance EVA foam that provides shock attenuation.
Single layer Mesh
A single layer of Mesh, close to the foot, for maximum feel.
Synthetic upper
Synthetic upper material provide great durability and protection for outdoor activities.
Synthetic lining
Durable, protective lining.
Adjustable heel strap
Adjustable heel strap for secure, comfortable heel hold.
Lace pocket
Provides easy storage for the Quicklace™ lacing system.
SensiFit™
SensiFit™ cradles the foot from the midsole to the lacing system, providing a secure, snug, and virtually customized fit all around the foot.
Welded collar binding
Seamless collar construction for improved comfort.
Protective mudguard
A wrap of leather, synthetic or rubber around the base of the foot that protects the lateral and medial sides of the foot.
EVA sockliner
A simple but effective EVA sockliner that offers great cushioning and comfort, instantly.
Materials & Maintenance
Materials & Maintenance
Textile
Textile
Rubber
Synthetic / Textile
Reviews
Reviews
Men's Footwear
Calculate your own measurements, then select your product size
Our wide fitting models (X-ULTRA WIDE, SPEEDCROSS WIDE, XA PRO WIDE) have approx.+12mm increase in forefoot volume vs standard fit
ORDER SIZE | FOOT LENGTH (INCH) | EUR | US | JP |
3.5 UK | 8.5 | 36 | 4 M | 22 |
4 UK | 8.7 | 36 2/3 | 4.5 M | 22.5 |
4.5 UK | 8.9 | 37 1/3 | 5 M | 23 |
5 UK | 9.1 | 38 | 5.5 M | 23.5 |
5.5 UK | 9.3 | 38 2/3 | 6 M | 24 |
6 UK | 9.4 | 39 1/3 | 6.5 M | 24.5 |
6.5 UK | 9.6 | 40 | 7 M | 25 |
7 UK | 9.8 | 40 2/3 | 7.5 M | 25.5 |
7.5 UK | 10 | 41 1/3 | 8 M | 26 |
8 UK | 10.2 | 42 | 8.5 M | 26.5 |
8.5 UK | 10.4 | 42 2/3 | 9 M | 27 |
9 UK | 10.6 | 43 1/3 | 9.5 M | 27.5 |
9.5 UK | 10.8 | 44 | 10 M | 28 |
10 UK | 11 | 44 2/3 | 10.5 M | 28.5 |
10.5 UK | 11.2 | 45 1/3 | 11 M | 29 |
11 UK | 11.4 | 46 | 11.5 M | 29.5 |
11.5 UK | 11.6 | 46 2/3 | 12 M | 30 |
12 UK | 11.8 | 47 1/3 | 12.5 M | 30.5 |
12.5 UK | 12 | 48 | 13 M | 31 |
13 UK | 12.2 | 48 2/3 | 13.5 M | 31.5 |
13.5 UK | 12.4 | 49 1/3 | 14 M | 32 |
14 UK | 12.6 | 50 | 14.5 M | 32.5 |
14.5 UK | 12.8 | 50 2/3 | 15 M | 33 |
Our wide fitting models (X-ULTRA WIDE, SPEEDCROSS WIDE, XA PRO WIDE) have approx.+12mm increase in forefoot volume vs standard fit
ORDER SIZE | FOOT LENGTH (CM) | EUR | US | JP |
3.5 UK | 21.5 | 36 | 4 M | 22 |
4 UK | 22 | 36 2/3 | 4.5 M | 22.5 |
4.5 UK | 22.5 | 37 1/3 | 5 M | 23 |
5 UK | 23 | 38 | 5.5 M | 23.5 |
5.5 UK | 23.5 | 38 2/3 | 6 M | 24 |
6 UK | 24 | 39 1/3 | 6.5 M | 24.5 |
6.5 UK | 24.5 | 40 | 7 M | 25 |
7 UK | 25 | 40 2/3 | 7.5 M | 25.5 |
7.5 UK | 25.5 | 41 1/3 | 8 M | 26 |
8 UK | 26 | 42 | 8.5 M | 26.5 |
8.5 UK | 26.5 | 42 2/3 | 9 M | 27 |
9 UK | 27 | 43 1/3 | 9.5 M | 27.5 |
9.5 UK | 27.5 | 44 | 10 M | 28 |
10 UK | 28 | 44 2/3 | 10.5 M | 28.5 |
10.5 UK | 28.5 | 45 1/3 | 11 M | 29 |
11 UK | 29 | 46 | 11.5 M | 29.5 |
11.5 UK | 29.5 | 46 2/3 | 12 M | 30 |
12 UK | 30 | 47 1/3 | 12.5 M | 30.5 |
12.5 UK | 30.5 | 48 | 13 M | 31 |
13 UK | 31 | 48 2/3 | 13.5 M | 31.5 |
13.5 UK | 31.5 | 49 1/3 | 14 M | 32 |
14 UK | 32 | 50 | 14.5 M | 32.5 |
14.5 UK | 32.5 | 50 2/3 | 15 M | 33 |

- Place a sheet of paper on the floor and against a wall
- Make sure you are wearing the same socks that you would normally wear with this type of shoe
- Wearing these socks, stand on the sheet of paper with your foot perpendicular to the wall and your heel against the wall.
- Then use a pen to draw a line just in front of your big toe. Repeat for both feet and take the longer distance to determine your size.
- Using a ruler, measure the distance between the wall and the line you drew to find your size.
Women's Footwear
Calculate your own measurements, then select your product size
Our wide fitting models (X-ULTRA WIDE, SPEEDCROSS WIDE, XA PRO WIDE) have approx.+12mm increase in forefoot volume vs standard fit
ORDER SIZE | FOOT LENGTH (INCH) | EUR | US | JP |
3.5 UK | 8.5 | 36 | 5 | 22 |
4 UK | 8.7 | 36 2/3 | 5.5 | 22.5 |
4.5 UK | 8.9 | 37 1/3 | 6 | 23 |
5 UK | 9.1 | 38 | 6.5 | 23.5 |
5.5 UK | 9.3 | 38 2/3 | 7 | 24 |
6 UK | 9.4 | 39 1/3 | 7.5 | 24.5 |
6.5 UK | 9.6 | 40 | 8 | 25 |
7 UK | 9.8 | 40 2/3 | 8.5 | 25.5 |
7.5 UK | 10 | 41 1/3 | 9 | 26 |
8 UK | 10.2 | 42 | 9.5 | 26.5 |
8.5 UK | 10.4 | 42 2/3 | 10 | 27 |
9 UK | 10.6 | 43 1/3 | 10.5 | 27.5 |
9.5 UK | 10.8 | 44 | 11 | 28 |
10 UK | 11 | 44 2/3 | 11.5 | 28.5 |
10.5 UK | 11.2 | 45 1/3 | 12 | 29 |
11 UK | 11.4 | 46 | 12.5 | 29.5 |
11.5 UK | 11.6 | 46 2/3 | 13 | 30 |
12 UK | 11.8 | 47 1/3 | 13.5 | 30.5 |
12.5 UK | 12 | 48 | 14 | 31 |
13 UK | 12.2 | 48 2/3 | 14.5 | 31.5 |
13.5 UK | 12.4 | 49 1/3 | 15 | 32 |
14 UK | 12.6 | 50 | 15.5 | 32.5 |
14.5 UK | 12.8 | 50 2/3 | 16 | 33 |
Our wide fitting models (X-ULTRA WIDE, SPEEDCROSS WIDE, XA PRO WIDE) have approx.+12mm increase in forefoot volume vs standard fit
ORDER SIZE | FOOT LENGTH (CM) | EUR | US | JP |
3.5 UK | 21.5 | 36 | 5 | 22 |
4 UK | 22 | 36 2/3 | 5.5 | 22.5 |
4.5 UK | 22.5 | 37 1/3 | 6 | 23 |
5 UK | 23 | 38 | 6.5 | 23.5 |
5.5 UK | 23.5 | 38 2/3 | 7 | 24 |
6 UK | 24 | 39 1/3 | 7.5 | 24.5 |
6.5 UK | 24.5 | 40 | 8 | 25 |
7 UK | 25 | 40 2/3 | 8.5 | 25.5 |
7.5 UK | 25.5 | 41 1/3 | 9 | 26 |
8 UK | 26 | 42 | 9.5 | 26.5 |
8.5 UK | 26.5 | 42 2/3 | 10 | 27 |
9 UK | 27 | 43 1/3 | 10.5 | 27.5 |
9.5 UK | 27.5 | 44 | 11 | 28 |
10 UK | 28 | 44 2/3 | 11.5 | 28.5 |
10.5 UK | 28.5 | 45 1/3 | 12 | 29 |
11 UK | 29 | 46 | 12.5 | 29.5 |
11.5 UK | 29.5 | 46 2/3 | 13 | 30 |
12 UK | 30 | 47 1/3 | 13.5 | 30.5 |
12.5 UK | 30.5 | 48 | 14 | 31 |
13 UK | 31 | 48 2/3 | 14.5 | 31.5 |
13.5 UK | 31.5 | 49 1/3 | 15 | 32 |
14 UK | 32 | 50 | 15.5 | 32.5 |
14.5 UK | 32.5 | 50 2/3 | 16 | 33 |

- Place a sheet of paper on the floor and against a wall
- Make sure you are wearing the same socks that you would normally wear with this type of shoe
- Wearing these socks, stand on the sheet of paper with your foot perpendicular to the wall and your heel against the wall.
- Then use a pen to draw a line just in front of your big toe. Repeat for both feet and take the longer distance to determine your size.
- Using a ruler, measure the distance between the wall and the line you drew to find your size.
Unisex Footwear
Calculate your own measurements, then select your product size
Our wide fitting models (X-ULTRA WIDE, SPEEDCROSS WIDE, XA PRO WIDE) have approx.+12mm increase in forefoot volume vs standard fit
ORDER SIZE | FOOT LENGTH (INCH) | EUR | US - WOMEN | US - MEN |
3.5 UK | 8.5 | 36 | 5 W | 4 M |
4 UK | 8.7 | 36 2/3 | 5.5 W | 4.5 M |
4.5 UK | 8.9 | 37 1/3 | 6 W | 5 M |
5 UK | 9.1 | 38 | 6.5 W | 5.5 M |
5.5 UK | 9.3 | 38 2/3 | 7 W | 6 M |
6 UK | 9.4 | 39 1/3 | 7.5 W | 6.5 M |
6.5 UK | 9.6 | 40 | 8 W | 7 M |
7 UK | 9.8 | 40 2/3 | 8.5 W | 7.5 M |
7.5 UK | 10 | 41 1/3 | 9 W | 8 M |
8 UK | 10.2 | 42 | 9.5 W | 8.5 M |
8.5 UK | 10.4 | 42 2/3 | 10 W | 9 M |
9 UK | 10.6 | 43 1/3 | 10.5 W | 9.5 M |
9.5 UK | 10.8 | 44 | 11 W | 10 M |
10 UK | 11 | 44 2/3 | 11.5 W | 10.5 M |
10.5 UK | 11.2 | 45 1/3 | 12 W | 11 M |
11 UK | 11.4 | 46 | 12.5 W | 11.5 M |
11.5 UK | 11.6 | 46 2/3 | 13 W | 12 M |
12 UK | 11.8 | 47 1/3 | 13.5 W | 12.5 M |
12.5 UK | 12 | 48 | 14 W | 13 M |
13 UK | 12.2 | 48 2/3 | 14.5 W | 13.5 M |
13.5 UK | 12.4 | 49 1/3 | 15 W | 14 M |
14 UK | 12.6 | 50 | 15.5 W | 14.5 M |
14.5 UK | 12.8 | 50 2/3 | 16 W | 15 M |
Our wide fitting models (X-ULTRA WIDE, SPEEDCROSS WIDE, XA PRO WIDE) have approx.+12mm increase in forefoot volume vs standard fit
ORDER SIZE | FOOT LENGTH (CM) | EUR | US - WOMEN | US - MEN |
3.5 UK | 21.5 | 36 | 5 W | 4 M |
4 UK | 22 | 36 2/3 | 5.5 W | 4.5 M |
4.5 UK | 22.5 | 37 1/3 | 6 W | 5 M |
5 UK | 23 | 38 | 6.5 W | 5.5 M |
5.5 UK | 23.5 | 38 2/3 | 7 W | 6 M |
6 UK | 24 | 39 1/3 | 7.5 W | 6.5 M |
6.5 UK | 24.5 | 40 | 8 W | 7 M |
7 UK | 25 | 40 2/3 | 8.5 W | 7.5 M |
7.5 UK | 25.5 | 41 1/3 | 9 W | 8 M |
8 UK | 26 | 42 | 9.5 W | 8.5 M |
8.5 UK | 26.5 | 42 2/3 | 10 W | 9 M |
9 UK | 27 | 43 1/3 | 10.5 W | 9.5 M |
9.5 UK | 27.5 | 44 | 11 W | 10 M |
10 UK | 28 | 44 2/3 | 11.5 W | 10.5 M |
10.5 UK | 28.5 | 45 1/3 | 12 W | 11 M |
11 UK | 29 | 46 | 12.5 W | 11.5 M |
11.5 UK | 29.5 | 46 2/3 | 13 W | 12 M |
12 UK | 30 | 47 1/3 | 13.5 W | 12.5 M |
12.5 UK | 30.5 | 48 | 14 W | 13 M |
13 UK | 31 | 48 2/3 | 14.5 W | 13.5 M |
13.5 UK | 31.5 | 49 1/3 | 15 W | 14 M |
14 UK | 32 | 50 | 15.5 W | 14.5 M |
14.5 UK | 32.5 | 50 2/3 | 16 W | 15 M |
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- Place a sheet of paper on the floor and against a wall
- Make sure you are wearing the same socks that you would normally wear with this type of shoe
- Wearing these socks, stand on the sheet of paper with your foot perpendicular to the wall and your heel against the wall.
- Then use a pen to draw a line just in front of your big toe. Repeat for both feet and take the longer distance to determine your size.
- Using a ruler, measure the distance between the wall and the line you drew to find your size.
Kid's Footwear
Calculate your own measurements, then select your product size
ORDER SIZE | FOOT LENGTH (INCHES) | EUR | US |
8.5K | 6.3 | 26 | 9K |
9.5K | 6.5 | 27 | 10K |
10K | 6.7 | 28 | 10.5K |
10.5K | 6.9 | 29 | 11.5K |
11.5K | 7.3 | 30 | 12K |
12.5K | 7.5 | 31 | 13K |
13.5K | 7.9 | 32 | 1 |
1 | 8.1 | 33 | 1.5 |
2 | 8.3 | 34 | 2 |
2.5 | 8.5 | 35 | 3 |
3.5 | 8.7 | 36 | 4 |
4 | 8.9 | 37 | 5 |
5 | 9.3 | 38 | 6 |
ORDER SIZE | FOOT LENGTH (CM) | EUR | US |
8.5K | 16 | 26 | 9K |
9.5K | 16.5 | 27 | 10K |
10K | 17 | 28 | 10.5K |
10.5K | 17.5 | 29 | 11.5K |
11.5K | 18.5 | 30 | 12K |
12.5K | 19 | 31 | 13K |
13.5K | 20 | 32 | 1 |
1 | 20.5 | 33 | 1.5 |
2 | 21 | 34 | 2 |
2.5 | 21.5 | 35 | 3 |
3.5 | 22 | 36 | 4 |
4 | 22.5 | 37 | 5 |
5 | 23.5 | 38 | 6 |

- Place a sheet of paper on the floor and against a wall
- Make sure you are wearing the same socks that you would normally wear with this type of shoe
- Wearing these socks, stand on the sheet of paper with your foot perpendicular to the wall and your heel against the wall.
- Then use a pen to draw a line just in front of your big toe. Repeat for both feet and take the longer distance to determine your size.
- Using a ruler, measure the distance between the wall and the line you drew to find your size.