Harness Size Guide
Measure your dog standing up with a soft tape measure, then choose the size where both the neck and chest measurements fit.
Current collection
Cherry Red · Espresso Brown · Oat Beige · Blueberry Blue · Midnight Black
| Size | Neck | Chest |
|---|---|---|
| XS | 8–11″ | 12–15″ |
| S | 10–12″ | 10–20″ |
| M/L | 12–18″ | 14–24″ |
M/L is the largest size in this collection.
Original collection
Blush Pink · Cali Blue · Matcha Green · Sand Orange
| Size | Neck | Chest |
|---|---|---|
| XS | 8–11″ | 12–15″ |
| S | 10–12″ | 10–20″ |
| M | 12–18″ | 14–24″ |
| L | 14–20″ | 16–28″ |
For these colors, the original M appears as “M/L” in the size selector.
How to measure
- Neck: around the base of the neck, where a collar sits.
- Chest: around the widest part of the chest, just behind the front legs.
Not sure which size to choose? Email hello@lulufromcali.com with your dog’s neck and chest measurements, and we’ll help.
For step-by-step measuring tips and a quick fit check, read our harness fit guide.

