Rockfish is a brand of rainboots under Zennar Limited, born in Cornwall, southwest of England, in 2004. Over the years, Rockfish has been adhering to the traditional boot-making process, concentrating on innovation, and constantly creating fashionable rain boots that everyone loves, redefining the new way of wearing rain boots. Rockfish rainboots are not only for rainy days.
Rockfish inherits the classic shape of Wellington rain boots, uses top-secret high-tech patented technology, and incorporates the popular elements of the season. From its birth, Rockfish has only focused on making high-quality Wellington rain boots that can withstand the tempering of the environment and the precipitation of years; its products are divided into women's series, men's series, and children's wellies.
Rockfish footwear focuses on functionality, stylish appearance, and high-end quality. The centuries-old British traditional craftsmanship, each production step is in charge of a dedicated craftsman, providing a tight and comfortable wearing feeling that fits the shape of the legs. The following size guide shares handy size charts for almost all available Rockfish boots.
Rockfish Size Guide
Rockfish incorporates natural and environmentally friendly rubber into a unique patented shoe-making formula so that its rain boots will not turn white or break due to aging like ordinary rubber shoes. Rockfish boots are like advanced customization, creating beautiful legs. Rockfish has become synonymous with Wellington rain boots, interpreting classics with modern designs. Every season introduces new styles and new surprises. The Walkabout has hiking technology in the mid and outsole and is created for supreme walking comfort. The Groundhog is designed for all-day wear but is more suited to farming, agronomy, gardening, etc., and is the most durable boot. All Rockfish boots are true to size, so order your shoe size.

Women's Groundhog Size Chart
For those that need a robust, thermal boot, the fit is so important. If you are a half size, please choose the next size up.
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel | Width |
---|
5 | 38 | 7 | 41cm | 37cm | 40.4cm
| 47.1cm
| 25.1cm
| 8.5cm |
6 | 39 | 8 | 41cm
| 37cm
| 41.2cm | 48.1cm
| 26cm | 8.7cm |
7 | 40-41 | 9 | 41cm
| 37cm
| 42.2cm
| 49.1cm
| 26.8cm | 9cm |
8 | 42 | 10 | 42cm
| 38cm
| 43.2cm
| 50.1cm
| 27.7cm | 9.2cm |
9 | 43 | 10 | 42cm
| 38cm
| 44.2cm
| 51.1cm
| 28.5cm | 9.4cm |
10 | 44 | 11 | 42cm
| 38cm
| 45.2cm
| 52.1cm
| 29.4cm | 9.7cm |
11 | 45-46 | 12
| 43cm
| 39cm
| 46.2cm
| 53.1cm
| 30.2cm | 9.9cm |
12 | 47 | 13 | 43cm
| 39cm
| 47.2cm
| 54.1cm
| 31.1cm | 10.2cm |
13 | 48 | 14 | 43cm
| 39cm
| 48.2cm
| 55.1cm
| 31.9cm | 10.4cm |
Women's Walkabout Size Chart
This style is ideal for those that do a fair bit of daily walking.
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel | Width |
---|
5 | 38 | 7 | 41cm | 37cm | 39.1cm
| 42.1cm
| 25.1cm
| 8.5cm |
6 | 39 | 8 | 41cm
| 37cm
| 40.1cm | 43.1cm
| 26cm | 8.7cm |
7 | 40-41 | 9 | 41cm
| 37cm
| 41.1cm
| 44.1cm
| 26.8cm | 9cm |
8 | 42 | 10 | 42cm
| 38cm
| 42.1cm
| 45.1cm
| 27.7cm | 9.2cm |
9 | 43 | 10 | 42cm
| 38cm
| 43.1cm
| 46.1cm
| 28.5cm | 9.4cm |
10 | 44 | 11 | 42cm
| 38cm
| 44.1cm
| 47.1cm
| 29.4cm | 9.7cm |
11 | 45-46 | 12
| 43cm
| 39cm
| 45.1cm
| 48.1cm
| 30.2cm | 9.9cm |
12 | 47 | 13 | 43cm
| 39cm
| 46.1cm
| 49.1cm
| 31.1cm | 10.2cm |
13 | 48 | 14 | 43cm
| 39cm
| 47.1cm
| 50.1cm
| 31.9cm | 10.4cm |
Women's NEOPRENE-LINED TALL ADJUSTABLE Size Chart
The ICECUBE boot is for added thermal warmth.
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel |
---|
3 | 35/36 | 5 | 40cm | 37cm
| 36.5cm | 39.5cm | 23.4cm |
4 | 37 | 6 | 40cm
| 37cm
| 37.1cm | 40.1cm | 24.3cm |
5 | 38 | 7 | 40cm
| 37cm | 37.8cm
| 40.8cm
| 25.1cm
|
6 | 39 | 8 | 43cm
| 40cm
| 38.6cm | 41.6cm
| 26cm |
7 | 40-41 | 9 | 43cm
| 40cm
| 39.4cm
| 42.4cm
| 26.8cm |
8 | 42 | 10 | 43cm
| 40cm
| 40.2cm
| 43.2cm
| 27.6cm |
9 | 43 | 10 | 43cm
| 40cm
| 41cm
| 44cm
| 28.4cm |
Women's TALL ADJUSTABLE Size Chart
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel |
---|
3 | 35/36 | 5 | 40cm | 37cm
| 36.5cm | 39.5cm | 23.4cm |
4 | 37 | 6 | 40cm
| 37cm
| 37.1cm | 40.1cm | 24.3cm |
5 | 38 | 7 | 40cm
| 37cm | 37.8cm
| 40.8cm
| 25.1cm
|
6 | 39 | 8 | 43cm
| 40cm
| 38.6cm | 41.6cm
| 26cm |
7 | 40-41 | 9 | 43cm
| 40cm
| 39.4cm
| 42.4cm
| 26.8cm |
8 | 42 | 10 | 43cm
| 40cm
| 40.2cm
| 43.2cm
| 27.6cm |
Women's Mid Boots Size Chart
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Toe to Heel |
---|
3 | 35/36 | 5 | 27.5cm | 24.5cm
| 36.5cm | 23.4cm |
4 | 37 | 6 | 29cm
| 25cm
| 37.1cm | 24.3cm |
5 | 38 | 7 | 28.5cm
| 25.5cm | 37.8cm
| 25.1cm
|
6 | 39 | 8 | 29cm
| 26cm
| 38.6cm | 26cm |
7 | 40-41 | 9 | 29.5cm
| 26.5cm
| 39.4cm
| 26.8cm |
8 | 42 | 10 | 30cm
| 27cm
| 40.2cm | 27.6cm |
Women's Ankle Boots Size Chart
UK | EU | US | Toe to Heel | Width |
---|
5 | 38 | 7 | 25.1cm
| 8.5cm |
6 | 39 | 8 | 26cm | 8.7cm |
7 | 40-41 | 9 | 26.8cm | 9cm |
8 | 42 | 10 | 27.7cm | 9.2cm |
9 | 43 | 10 | 28.5cm | 9.4cm |
10 | 44 | 11 | 29.4cm | 9.7cm |
11 | 45-46 | 12
| 30.2cm | 9.9cm |
12 | 47 | 13 | 31.1cm | 10.2cm |
13 | 48 | 14 | 31.9cm | 10.4cm |
Men's Groundhog Size Chart
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel | Width |
---|
5 | 38 | 7 | 41cm | 37cm | 40.4cm
| 47.1cm
| 25.1cm
| 8.5cm |
6 | 39 | 8 | 41cm
| 37cm
| 41.2cm | 48.1cm
| 26cm | 8.7cm |
7 | 40-41 | 9 | 41cm
| 37cm
| 42.2cm
| 49.1cm
| 26.8cm | 9cm |
8 | 42 | 10 | 42cm
| 38cm
| 43.2cm
| 50.1cm
| 27.7cm | 9.2cm |
9 | 43 | 10 | 42cm
| 38cm
| 44.2cm
| 51.1cm
| 28.5cm | 9.4cm |
10 | 44 | 11 | 42cm
| 38cm
| 45.2cm
| 52.1cm
| 29.4cm | 9.7cm |
11 | 45-46 | 12
| 43cm
| 39cm
| 46.2cm
| 53.1cm
| 30.2cm | 9.9cm |
12 | 47 | 13 | 43cm
| 39cm
| 47.2cm
| 54.1cm
| 31.1cm | 10.2cm |
13 | 48 | 14 | 43cm
| 39cm
| 48.2cm
| 55.1cm
| 31.9cm | 10.4cm
|
Men's Walkabout Size Chart
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel | Width |
---|
5 | 38 | 7 | 41cm | 37cm | 39.1cm
| 42.1cm
| 25.1cm
| 8.5cm |
6 | 39 | 8 | 41cm
| 37cm
| 40.1cm | 43.1cm
| 26cm | 8.7cm |
7 | 40-41 | 9 | 41cm
| 37cm
| 41.1cm
| 44.1cm
| 26.8cm | 9cm |
8 | 42 | 10 | 42cm
| 38cm
| 42.1cm
| 45.1cm
| 27.7cm | 9.2cm |
9 | 43 | 10 | 42cm
| 38cm
| 43.1cm
| 46.1cm
| 28.5cm | 9.4cm |
10 | 44 | 11 | 42cm
| 38cm
| 44.1cm
| 47.1cm
| 29.4cm | 9.7cm |
11 | 45-46 | 12
| 43cm
| 39cm
| 45.1cm
| 48.1cm
| 30.2cm | 9.9cm |
12 | 47 | 13 | 43cm
| 39cm
| 46.1cm
| 49.1cm
| 31.1cm | 10.2cm |
13 | 48 | 14 | 43cm
| 39cm
| 47.1cm
| 50.1cm
| 31.9cm | 10.4cm
|
Men's Matt TALL ADJUSTABLE Size Chart
UK | EU | US | External Height | Internal Height | Top Circumference (relaxed) | Calf Circumference (expanded) | Toe to Heel |
---|
7 | 40-41 | 8 | 43cm
| 40cm
| 39.4cm
| 42.4cm
| 26.8cm |
8 | 42 | 9 | 43cm
| 40cm
| 40.2cm
| 43.2cm
| 27.6cm |
9 | 43 | 10 | 43cm
| 40cm
| 41cm
| 44cm
| 28.4cm
|
10 | 44 | 11 | 43cm
| 40cm
| 41.8cm | 44.8cm | 29.4cm |
11 | 45/46 | 12 | 43cm
| 40cm
| 42.6cm | 45.6cm | 30.2cm |
12 | 47 | 13 | 43cm
| 40cm
| 43.4cm | 46.4cm | 31cm |
13 | 48 | 14 | 43cm
| 40cm
| 44.2cm | 47.2cm | 31.8cm |
Men's Groundhog Ankle Boots Size Chart
UK | EU | US | Toe to Heel | Width |
---|
5 | 38 | 7 | 25.1cm
| 8.5cm |
6 | 39 | 8 | 26cm | 8.7cm |
7 | 40-41 | 9 | 26.8cm | 9cm |
8 | 42 | 10 | 27.7cm | 9.2cm |
9 | 43 | 10 | 28.5cm | 9.4cm |
10 | 44 | 11 | 29.4cm | 9.7cm |
11 | 45-46 | 12
| 30.2cm | 9.9cm |
12 | 47 | 13 | 31.1cm | 10.2cm |
13 | 48 | 14 | 31.9cm | 10.4cm
|
Final Words

Rockfish combines functionality and fashion perfectly. The boots are not only suitable for walking on wet, muddy ground or wearing in heavy rain, but also become one of the fashion items. The occasion where RockFish appears most is the music festival. Now, at the Glastonbury Music Festival in the UK, the largest music festival in the world every year, in addition to music, grass, sunshine, and tents, there are many different styles of Rockfish.