
Clothing Size Chart
All items are unisex, pre-shrunk, and follow US/EU sizing (not Asian sizing).
For a true-to-size fit, order your usual size.
For an oversized fit, size up by one.
T-Shirt Size Chart
Please note there may be a manual measurement error of 1–3 cm.

How we measure:
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Length: From the highest point next to the neckline straight down to the bottom hem.
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Chest: Shirt laid flat; measure from one armpit to the other with the fabric smooth.
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Sleeve: From the shoulder seam to the end of the sleeve, keeping the sleeve straight and flat.
Secure Checkout
Fast ShippingDescription
Sumo energy. Zero stress.
The Sumo Whatever It Is tee is for the ones who carry their weight with ease — unbothered, grounded, and completely at peace with the chaos. Japanese sumo culture meets laid-back streetwear. Whatever it is, you've got it handled.
Heavyweight garment-dyed cotton built for comfort and character. Gets better every single time you wash it.
- 6.1 oz 100% ring-spun cotton — premium weight, soft feel
- Garment-dyed finish for a vintage broken-in look
- Relaxed fit with tubular knit construction (no side seams)
- Available S–4XL in multiple colorways
A solid gift for anyone who moves through life with quiet confidence and a good sense of humor.
Washing Instructions
Machine wash cold (30°C / 86°F) with similar colors
Do not bleach
Tumble dry on low heat or lay flat to dry
Iron on low heat if needed
Do not dry clean
Shipping & Returns
Free Shipping
Enjoy free shipping on all orders over $75. No code needed — the discount is applied automatically at checkout.
Easy 30-Day Returns
We want you to love what you ordered. If you're not completely satisfied, we accept returns within 30 days of delivery — no hassle, no stress.
Return Conditions
To be eligible for a return, items must be:
- Unworn and unused
- In their original packaging
- In the same condition as received
If your return meets these conditions, simply reach out to our support team and we'll guide you through the process.