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NEW GEAR
  • New Arrivals
  • Coming Soon
DOG COATS
  • Dog Raincoats
  • Winter Dog Coats Coming Soon
  • Dog Fleece Coming Soon
WALKING GEAR
  • Dog Harnesses Coming Soon
  • Dog Collars Coming Soon
  • Dog Leads Coming Soon
DOG ACCESSORIES
  • Dog Safety Lights Coming Soon
  • Dog Tags & Charms Coming Soon
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Legal Notice

Last updated: 14 October 2026

RILLWAG is a trading name of Northway Nexus Ltd. This website, rillwag.com, is operated by Northway Nexus Ltd.

Company details

  • Company name: Northway Nexus Ltd
  • Trading name: RILLWAG
  • Company type: Private company limited by shares
  • Registered in: England and Wales
  • Company number: 16991479
  • Registered office: 167–169 Great Portland Street, 5th Floor, London W1W 5PF, United Kingdom

Contact

  • Customer support: support@rillwag.com
  • Returns and exchanges: returns@rillwag.com
  • Trade and stockists: sales@rillwag.com
  • General and privacy enquiries: hello@rillwag.com

We aim to reply within 1–2 working days, Monday to Friday.

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All content on this website, including text, photography, graphics, logos and product designs, belongs to Northway Nexus Ltd or its licensors. Please do not copy or use it without our written permission.

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Move as one.

Follow the walk

Walks, fittings and the dogs who shape RILLWAG.

SHOP

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© 2026 RILLWAG. All rights reserved.

RILLWAG is a trading name of Northway Nexus Ltd, a company registered in England and Wales (company number 16991479). Registered office: 167–169 Great Portland Street, 5th Floor, London W1W 5PF, United Kingdom.

Fit starts with the back.

How to measure your dog: 1 back length, 2 chest girth, 3 neck

How to measure

Stand your dog naturally. Start with the back, then check the chest and neck before choosing a size.

  1. 1

    Back length

    From the base of the neck to the base of the tail. This is your starting measurement.

  2. 2

    Chest girth

    Around the widest part of the chest, just behind the front legs. Keep the tape comfortable.

  3. 3

    Neck

    Around the base of the neck. Also check that the garment opening passes comfortably over the head.

Find your size

Enter your dog’s measurements in centimetres.

Your recommended size will appear here.

Size Back length Chest girthNeck opening max
S35 cm coat 30–35 40–5544
M40 cm coat 35–40 45–6050
L45 cm coat 38–45 50–6855
XL50 cm coat 42–50 55–7560
2XL55 cm coat 46–55 60–8064

Back, chest and neck refer to your dog. The neck figure is the coat’s maximum opening, so it also needs to pass comfortably over the head. Coat length is the length of the coat itself.

Between sizes?

Start with back length and compare every measurement. Choose a size only when the back and chest fit the ranges and the neck opening passes comfortably over the head. At a shared boundary, check both sizes for coverage and freedom of movement. If neither size meets every check, contact us with your dog’s measurements before ordering.

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A dog wearing a RILLWAG raincoat in Edinburgh

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