Teenage Mutant Ninja Turtles Size Guide
Teenage Mutant Ninja Turtles (TMNT) is a pop culture-driven brand offering licensed clothing, costumes, and apparel featuring the iconic ninja turtle characters. TMNT sizing follows standard UK sizing conventions and is designed to fit a broad audience, from children's costumes to adult casualwear including t-shirts, hoodies, Christmas jumpers, onesies, and branded underwear. The brand emphasises comfortable, recognisable fits that appeal to fans of all ages. Fit can vary between item types (slim fit versus regular fit) and collection releases, so always consult the product-specific size chart before ordering.
How to Measure
- Chest/Bust: Measure horizontally around the fullest part of your chest or bust, keeping the tape measure snug but not tight. Wear an unpadded bra if applicable. Record in both inches and centimetres.
- Waist: Measure around the narrowest part of your natural waist, typically just above the hip bone. Keep the tape measure relaxed and parallel to the ground.
- Hips: Measure around the fullest part of your hips and bottom, approximately 7–8 inches below your natural waist. Ensure the tape is level all the way around.
- Inseam (for onesies and full-length styles): Stand barefoot with legs slightly apart. Measure from the inside of your crotch down to your anklebone in a straight line. This measurement is critical for onesies and loungewear fit.
- Use a soft measuring tape: Ensure your measuring tape is flexible and not stretched. Take measurements whilst wearing minimal clothing, and avoid pulling the tape too tightly, which can distort results.
Children's Costume Size Chart
| Size Label | Age Range | Width (cm) | Length (cm) |
|---|---|---|---|
| 3–4 | 3–4 years | 33 | 45 |
| 5–6 | 5–6 years | 38 | 47 |
| 7–8 | 7–8 years | 42 | 50 |
Adult T-Shirt & Standard Casualwear Size Chart
| UK Size | US/CA | EU | Chest (inches) | Chest (cm) |
|---|---|---|---|---|
| XS | 2XS | XS | 33–35 | 84–89 |
| S | XS | S | 36–38 | 91.5–96.5 |
| M | S | M | 39–41 | 99–104 |
| L | M | L | 42–44 | 106.5–112 |
| XL | L | XL | 45–47 | 114.5–119.5 |
| 2XL | XL | 2XL | 48–50 | 122–127 |
Adult Hoodies & Christmas Jumpers Size Chart
| UK Size | US/CA | EU | Chest (inches) | Chest (cm) |
|---|---|---|---|---|
| XS | 2XS | XS | 37–38 | 94–97 |
| S | XS | S | 39–40 | 99–102 |
| M | S | M | 41–42 | 104–107 |
| L | M | L | 43–44 | 109–112 |
| XL | L | XL | 45–46 | 114–117 |
| 2XL | XL | 2XL | 47–48 | 119–122 |
| 3XL | 2XL | 3XL | 49–50 | 124–127 |
| 4XL | 3XL | 4XL | 51–52 | 129–133 |
Adult Onesies & Full-Length Loungewear Size Chart
| Size Label | Chest (cm) | Waist (cm) | Inseam (cm) | Onesie Length (cm) |
|---|---|---|---|---|
| XS/S | 98 | 102 | 74 | 154 |
| M/L | 116 | 120 | 80 | 163 |
Product-Specific Guidance
T-Shirts & Casual Tops
TMNT t-shirts are cut to a standard, relaxed fit suitable for everyday wear. Measure your chest and compare it to the size chart; if you sit between two sizes, choose the smaller size for a more fitted appearance or the larger size for a looser, oversized feel. Print placement varies by design, so consider whether you prefer graphic designs centred on the chest or dispersed across the front and back.
Hoodies & Sweatshirts
Hoodies are designed with a regular fit and built-in drawcords for adjustability. They typically offer more generous chest measurements than t-shirts in the same size to accommodate layering. If you prefer a snug fit, size down; for a relaxed, comfortable fit, stay true to size. Check product-specific measurements, as some TMNT hoodies are pre-shrunk whilst others may have a minimal amount of shrinkage after washing.
Christmas Jumpers
TMNT Christmas jumpers are knitted pieces designed for a comfortable, cosy fit. These garments tend to run slightly larger than standard t-shirts, so measure carefully against the dedicated Christmas Jumper size chart. Consider your preferred layering style: if you like wearing a long-sleeved shirt underneath, size up slightly for ease of movement.
Onesies & Full-Length Loungewear
Onesies require accurate inseam and chest measurements for proper fit. The inseam measurement is particularly critical—an incorrect measurement will result in bunching at the ankles or excessive length. Take your inseam measurement whilst standing barefoot with legs slightly apart, measuring from the inside of your crotch to your anklebone. If you fall between two sizes, choose based on your inseam length first, as chest measurement can be adjusted through the waist drawstring or elastic.
Branded Underwear
TMNT branded briefs follow standard men's and women's sizing. Refer to your usual underwear size and compare with the product-specific measurements before ordering, as fit can vary slightly between print designs.
Sizing Tips
- Always consult the product-specific size chart, as fit can vary between item types (slim fit versus regular fit) and collection releases.
- Use a soft, flexible measuring tape and take all measurements whilst wearing minimal clothing to ensure accuracy.
- For children's costumes, measure height (standing barefoot against a wall) and chest circumference. Note the child's age range, as TMNT sizing tiers align with standard age groupings.
- Hoodies and Christmas jumpers offer more generous chest measurements than t-shirts in the same size; if you prefer a snug fit, consider sizing down.
- For onesies and full-length loungewear, prioritise inseam length when choosing between two sizes, as the waist can be adjusted but leg length cannot.
- If you fall between two sizes, choose the smaller size for a more fitted appearance or the larger size for a looser, oversized feel, depending on your preference.
- Some TMNT hoodies are pre-shrunk; check product details, as others may experience minimal shrinkage after washing.