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Size Guide

Updated July 2025

Finding the right fit is crucial when it comes to sneakers — especially when you’re investing in heat 🔥

At Big Boi Sneakers, we stock a wide range of US, UK, and EU-sized sneakers, and sizing can vary slightly between brands and models. That’s why we’ve created this guide to help you choose the right size and shop with confidence.

If you're unsure about sizing, feel free to contact us — we’re always happy to help you find the best fit:
📧 hello@bigboisneakers.com

👟 General Sizing Info

All sneakers listed on our website are in US Men’s sizing, unless otherwise stated.
If you usually buy women’s sizing, please refer to the conversion chart below or use this quick tip:

💡 Women’s to Men’s Sizing: Go down 1.5 sizes.
For example, if you wear a US Women’s 9, you’ll likely be a US Men’s 7.5.

📌 Note: Nike & Jordan sneakers tend to fit true to size for most people. However, Jordan 1s and Dunks can feel snug — if you have wider feet, consider going up half a size.

🥾 Yeezy Size Info

Yeezy sizing can be tricky, especially with the 350 V2 and Foam RNNR models.
Here’s what we recommend:

• Yeezy 350 V2: Fits small — go up half a size

• Yeezy Slides: Fits small — go up 1 full size

• Foam RNNRs: Fits true to size (or slightly snug)

• Yeezy 700 & 500: Fits true to size for most people

📦 Reminder: All Sales Are Final

Because we’re a resale platform, we do not offer returns or exchanges for wrong sizes.
Please make sure you select the correct size before checking out.

Need help? Just ask — we’re here to help you lock in the right pair, first time.

📧 Contact us for sizing help or sneaker fit advice.

📸 Real-World Fit Tip

Follow us on Instagram to see how other customers style and wear their kicks. Seeing sneakers on-foot can give you a better sense of how they’ll fit and feel.

📌 Still Unsure?

If you're between sizes, have wide/narrow feet, or just want an expert opinion — don't risk it. Reach out to our team and we’ll help you choose the best size based on the model and your preferences.

📧 hello@bigboisneakers.com

📱 @bigboisneakers.nz

 

Men's US Size	Women’s Size	UK Size	Europe Size	Size in (CM)
3.5Y	5W	2.5	35.5	22
4Y	5.5W	3	36	22.5
4.5Y	6W	3.5	36.5	23
5Y	6.5W	4	37.5	23.5
5.5Y	7W	4.5	38	24
6Y	7.5W	5	38.5	24
6.5Y	8W	5.5	39	24.5
7Y	8.5W	6	40	25
US7.5	9W	6.5	40.5	25.5
US8	9.5W	7	41	26
US8.5	10W	7.5	42	26.5
US9	10.5W	8	42.5	27
US9.5	11W	8.5	43	27.5
US10	11.5W	9	44	28
US10.5	12W	9.5	44.5	28.5
US11	12.5W	10	45	29
US11.5	13W	10.5	45.5	29.5
US12	13.5W	11	46	30
US13	14.5W	12	47.5	31
US14	15.5W	13	48.5	32
US15	16.5W	14	49.5	33

 

Below are tailored charts and notes for New Balance, Adidas Originals, and a bonus one for Nike/Jordan (for consistency), ready to be added to your Size Guide page on Big Boi Sneakers:

👟 Brand-Specific Size Guides

🟦 New Balance Size Chart

US Men's	US Women's	UK	EU	CM
6	7.5	5.5	38.5	24
7	8.5	6.5	40	25
8	9.5	7.5	41.5	26
9	10.5	8.5	42.5	27
10	11.5	9.5	44	28
11	12.5	10.5	45	29
12	13.5	11.5	46.5	30

✅ Fit Tip: Most New Balance models fit true to size. However, the 2002R and 550 can feel slightly snug — consider going up half a size if you have wider feet.

⚫ Adidas Originals Size Chart

US Men's	US Women's	UK	EU	CM
6	7	5.5	38	24
7	8	6.5	40	25
8	9	7.5	41.5	26
9	10	8.5	43	27
10	11	9.5	44.5	28
11	12	10.5	46	29
12	13	11.5	47.5	30

✅ Fit Tip: Adidas sneakers like Superstars, Gazelles, and Forums typically fit true to size, but some Yeezy models run small — check our Yeezy fit section above.

• Jordan 1s & Dunks: Snug fit — go up half a size for wide feet.

• Air Max 90s & 97s: True to size.

• Nike SB: Narrow fit — half size up is recommended.

🙌 Still Unsure?

If you're between sizes or just want personalised advice for a specific pair, don’t risk it — reach out here or DM us on Instagram.
We’re always happy to help you get the best fit first time!