Rust orange and black waterproof running shoes with lace-up closure and rugged outsole
Rust orange waterproof running shoe with black side panels, lace-up and chunky tread
Rust orange and black lace-up waterproof running shoe, side view with textured upper
Black outsole tread of waterproof running shoes, rugged traction pattern
Rust orange waterproof running shoes with black soles, lace-up and side logos
Pair of waterproof running shoes in rust orange and black, rear view with heel tab
Rust orange waterproof running shoes with black overlays, lace-up, and EXTRA branding
Rust orange upper and black midsole with EXTRA branding on textured outsole
Rust orange waterproof running shoe with black trim and Gore-Tex Waterproof logo badge
Rust orange running shoes with orange laces and yellow logo tab, black heel
Rust orange and black waterproof runner shoes with orange laces and black rubber sole
Rust orange runner shoe showing black heel collar and treaded outsole
Black EXTR4 product tag card with white logo and dotted gradient pattern
GORE-TEX product information booklet with waterproof and breathable feature icons
GORE-TEX guaranteed dry hang tag with 'keep you dry' label
Nieuw binnen

Extr4 U-KAIZEN XL GTX Waterproof Gore-Tex Runners (Rust)

Door Extr4
£160.00 GBP
Belasting inbegrepen
Size
U22 Fit Guide Big Fit
View Extr4 Size Guide →
Free UK shipping
Orders over £80
Price Match
Global guarantee*
Easy Returns
Within 14 days

900+ Reviews on Trustpilot - Rated Excellent

The XL take on the Kaizen runner raises the sole stack for extra cushioning and wraps the foot in a knitted textile upper, with a GORE-TEX Invisible Fit membrane bonded inside for fully waterproof wear. Sock-like in fit, technical in build.



BIG FIT - WE RECOMMEND SIZING DOWN ONE SIZE.

Product code: 2200622

Upper: Knitted textile / Lining: GORE-TEX Invisible Fit
Merkrecensies

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Find Your Perfect Fit

At Union 22, we want to ensure you get the right fit every time. Our products are categorised into three main fit types to help you make the best choice:

  • Slim Fit – Designed for a tailored look. We recommend going up a size compared to your usual size for the best fit.

  • Regular Fit – A classic, true-to-size fit. Stick with your usual size.

  • Big Fit – Offers a more relaxed, oversized feel. We suggest sizing down for a more standard fit or keep as is for an oversized look.

Already Shopped With Us?

If you've purchased from Union 22 before, you may already know your sizes in the brands we stock. In that case, you can likely stick with the sizes you've previously ordered while following the fit guidelines provided for each product. However, if you're shopping with us for the first time or are unsure about sizing, we highly recommend using the chart below as a reference. Our sizing guide is designed to help you make the right choice and avoid the hassle of returns or exchanges. If you need further assistance, our team is always happy to help.

Size Conversion Chart

Tops: T-Shirts, Polos, Knitwear, Jackets & Coats

Use the table below as a general guide to converting sizes:

UK Size EU Size US Size Chest (inches) Waist (inches)
XS (34) 44 34 34-36 28-30
S (36) 46 36 36-38 30-32
M (38) 48 38 38-40 32-34
L (40) 50 40 40-42 34-36
XL (42) 52 42 42-44 36-38
XXL (44) 54 44 44-46 38-40
3XL (46) 56 46 46-48 40-42
4XL (48) 58 48 48-50 42-44
5XL (50) 60 50 50-52 44-46
6XL (52) 62 52 52-54 46-48

Bottoms: Trousers, Jeans & Shorts

UK Waist EU Size US Waist
28 44 28
29 45 29
30 46 30
31 47 31
32 48 32
33 49 33
34 50 34
35 51 35
36 52 36
37 53 37
38 54 38
39 55 39
40 56 40

Fit Type Recommendations

To help you pick the right size, refer to the fit type listed on each product page:

  • If the product is labeled Slim Fit, go one size up for a comfortable fit.

  • If the product is labeled Regular Fit, order your normal size.

  • If the product is labeled Big Fit, go one size down for a standard fit.

Additional Tips

  • If you’re between sizes and prefer a looser fit, consider sizing up.

  • For a tailored or fitted look, opt for the size recommended based on the fit type.

  • If you're unsure, feel free to contact our customer service team for personalised advice.

Need Help?

For any sizing queries, contact us at info@union22.co.uk or visit our Liverpool store to try on our pieces in person.

We hope this guide helps you find the perfect fit. Enjoy shopping at Union 22!