KAIZEN
FIT FIRST ENGINEERING
Our fit first engineering ensures you get the very best fit with our kits, that are enhanced for maximum performance. Created with the latest fabrics and design technology, our kit has an athletic cut. Made with soft-handled, breathable fabric that has strong wicking capabilities, we offer an array of versatile jerseys and shorts in various styles to complement your build and heighten your performance levels.
We offer on-site sizing sessions at your convenience, in order to find the perfect style and fit for your playing teams. If you can’t attend a sizing session, we will send out a sizing bundle to your club.

UNISEX
Upper Body Sizing
| SIZE | XS | S | M | L | XL | 2XL | 3/4XL | 5/6XL |
|---|---|---|---|---|---|---|---|---|
| Chest – Inches | 36″/28″ | 38″/40″ | 40″/42″ | 42″/44″ | 44″/46″ | 48″/52″ | 54″/56″ | 64″+ |
| Kaizen Drill Top (regular fit) | ||||||||
| Chest – Inches | 38″/40″ | 40″/42″ | 42″/44″ | 44″/46″ | 48″/50″ | 52″/54″ | 54″/56″ | 58″/60″+ |
Waist & Inseam Sizing
| SIZE | XS | S | M | L | XL | 2XL | 3/4XL | 5/6XL |
|---|---|---|---|---|---|---|---|---|
| Waist – Inches | 26″/28″ | 28″/30″ | 32″/34″ | 34″/36″ | 36″/38″ | 38″/40″ | 42″/44″ | 46″+ |
| Inseam – Inches | 29.2″ | 29.5″ | 29.8″ | 30″ | 30.2″ | 30.5″ | 30.8″ | 31″ |
WOMEN
Upper Body & Waist Sizing
| SIZE | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
|---|---|---|---|---|---|---|---|---|---|---|
| Chest – Inches | 30″/32″ | 32″/34″ | 34″/36″ | 36″/38″ | 40″/42″ | 42″/44″ | 44″/46″ | 48″/52″ | 54″/56″ | 58″/60″ |
| Waist – Inches | 22″/24″ | 24″/26″ | 26″/28″ | 28″/30″ | 30″/32″ | 34″/36″ | 36″/38″ | 38″/40″ | 42″/44″ | 46″+ |
JUNIOR
Upper Body Sizing
| SIZE | 2XSY (3-4 YRS) | XSY (5/6 YRS) | SY (7/8 YRS) | MY (9/10 YRS) | LY (11/12 YRS) |
|---|---|---|---|---|---|
| Chest – Inches | 26″/28″ | 28″/30″ | 30″/32″ | 32″/34″ | 34″/36″ |
| Kaizen Drill Top (regular fit) | |||||
| Chest – Inches | 26″/28″ | 28″/30″ | 30″/32″ | 32″/34″ | 34″/36″ |
Waist & Inseam Size
| SIZE | 2XSY (3-4 YRS) | XSY (5/6 YRS) | SY (7/8 YRS) | MY (9/10 YRS) | LY (11/12 YRS) | |
|---|---|---|---|---|---|---|
| Waist – Inches | 22″/24″ | 24″/26″ | 26″/28″ | 28″/30″ | 32″/34″ | |
| Inseam – Inches | 14.5″ | 17.5″ | 20″ | 22.5″ | 24.5″ |
KAIZEN
FIT FIRST ENGINEERING
Our fit first engineering ensures you get the very best fit with our kits, that are enhanced for maximum performance. Created with the latest fabrics and design technology, our kit has an athletic cut. Made with soft-handled, breathable fabric that has strong wicking capabilities, we offer an array of versatile jerseys and shorts in various styles to complement your build and heighten your performance levels.
We offer on-site sizing sessions at your convenience, in order to find the perfect style and fit for your playing teams. If you can’t attend a sizing session, we will send out a sizing bundle to your club.

UNISEX
Upper Body Sizing
| SIZE | XS | S | M | L | XL | 2XL | 3/4XL | 5/6XL |
|---|---|---|---|---|---|---|---|---|
| Chest – Inches | 36″/28″ | 38″/40″ | 40″/42″ | 42″/44″ | 44″/46″ | 48″/52″ | 54″/56″ | 64″+ |
| Kaizen Drill Top (regular fit) | ||||||||
| Chest – Inches | 38″/40″ | 40″/42″ | 42″/44″ | 44″/46″ | 48″/50″ | 52″/54″ | 54″/56″ | 58″/60″+ |
Waist & Inseam Sizing
| SIZE | XS | S | M | L | XL | 2XL | 3/4XL | 5/6XL |
|---|---|---|---|---|---|---|---|---|
| Waist – Inches | 26″/28″ | 28″/30″ | 32″/34″ | 34″/36″ | 36″/38″ | 38″/40″ | 42″/44″ | 46″+ |
| Inseam – Inches | 29.2″ | 29.5″ | 29.8″ | 30″ | 30.2″ | 30.5″ | 30.8″ | 31″ |
WOMEN
Upper Body & Waist Sizing
| SIZE | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
|---|---|---|---|---|---|---|---|---|---|---|
| Chest – Inches | 30″/32″ | 32″/34″ | 34″/36″ | 36″/38″ | 40″/42″ | 42″/44″ | 44″/46″ | 48″/52″ | 54″/56″ | 58″/60″ |
| Waist – Inches | 22″/24″ | 24″/26″ | 26″/28″ | 28″/30″ | 30″/32″ | 34″/36″ | 36″/38″ | 38″/40″ | 42″/44″ | 46″+ |
JUNIOR
Upper Body Sizing
| SIZE | 2XSY (3-4 YRS) | XSY (5/6 YRS) | SY (7/8 YRS) | MY (9/10 YRS) | LY (11/12 YRS) |
|---|---|---|---|---|---|
| Chest – Inches | 26″/28″ | 28″/30″ | 30″/32″ | 32″/34″ | 34″/36″ |
| Kaizen Drill Top (regular fit) | |||||
| Chest – Inches | 26″/28″ | 28″/30″ | 30″/32″ | 32″/34″ | 34″/36″ |
Waist & Inseam Size
| SIZE | 2XSY (3-4 YRS) | XSY (5/6 YRS) | SY (7/8 YRS) | MY (9/10 YRS) | LY (11/12 YRS) | |
|---|---|---|---|---|---|---|
| Waist – Inches | 22″/24″ | 24″/26″ | 26″/28″ | 28″/30″ | 32″/34″ | |
| Inseam – Inches | 14.5″ | 17.5″ | 20″ | 22.5″ | 24.5″ |
CUSTOM KIT FOR
EVERY SPORT
We create custom sports kit for every team, in every sport. Whether it’s rugby, netball, hockey, rowing or beyond, our teamwear is fully customisable, made in the UK and delivered in three weeks or less. Designed for performance. Worn with pride.
CUSTOM KIT FOR
EVERY SPORT
We create custom sports kit for every team, in every sport. Whether it’s rugby, netball, hockey, rowing or beyond, our teamwear is fully customisable, made in the UK and delivered in three weeks or less. Designed for performance. Worn with pride.
CUSTOM KIT FOR
EVERY SPORT
We create custom sports kit for every team, in every sport. Whether it’s rugby, netball, hockey, rowing or beyond, our teamwear is fully customisable, made in the UK and delivered in three weeks or less. Designed for performance. Worn with pride.
CUSTOM KIT FOR
EVERY SPORT
We create custom sports kit for every team, in every sport. Whether it’s rugby, netball, hockey, rowing or beyond, our teamwear is fully customisable, made in the UK and delivered in three weeks or less. Designed for performance. Worn with pride.






