Curated selection
Core logos, box hoodies, seasonal graphics, and notable collaborations — filtered by season, category, and condition.
About RTIOWA Supreme
We curate, authenticate and ship verified Supreme pieces — from archive grails to current-season drops — with transparency and care.
- Lifetime authenticity guarantee
- Free US shipping $150+
- Secure payments
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years curating
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items authenticated
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5-star reviews
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collabs tracked
Our mission
RTIOWA exists to make buying Supreme simple, safe, and satisfying. We combine strict authentication with detailed measurements and conservative grading so you can purchase confidently — whether you’re building a daily rotation or hunting archive pieces.
We’re based in New York and track brand calendars closely. Our catalog updates after drops and throughout the season as we source verified stock from trusted partners and community consignors.
RTIOWA is an independent marketplace and is not affiliated with Supreme.
Measured and graded
Every listing includes exact measurements and a conservative condition grade with macro photos of any flaws.
Fast, insured shipping
Orders ship from NYC with tracking. Free US shipping on $150+, optional expedited and international at checkout.
How we authenticate Supreme
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Tag & season verification
Check care label fonts, spacing, RN, season codes, and factory markers against internal references.
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Fabric & print inspection
Assess fabric weight and hand-feel; evaluate prints and embroidery under magnification for edge quality.
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Hardware & construction
Inspect zips, pulls, snaps, and stitching patterns; compare to season-accurate components.
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UV & blacklight test
Scan labels and inks for fluorescence inconsistencies and residue telltales.
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Dual-auth sign-off
Two specialists approve each item. We stand behind authenticity for the life of the product.
What sets us apart
Transparency first
Clear measurements, macro detail shots, and grading notes modeled after the best resale standards.
Season-aware listings
Filter by SS/FW and year to find exactly what you want — from Box Logos to standout collabs.
Data-backed sizing
Fit notes come from wear tests and returns data: TTS, boxy, or slim — called out per item.
Community consign
We accept consignments that pass our checks. Payouts are fast and transparent.
From archive to now
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2017–2019
Started sourcing and cataloging early Box Logos and staple hoodies; built internal references.
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2020–2022
Expanded to collaborations and outerwear; formalized dual-auth verification.
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2023–Present
Launched RTIOWA Supreme storefront with season filters, measurements, and guaranteed authenticity.
Who we are
I’m Ariful, a detail-obsessed curator with a background in product ops and a decade of collecting. RTIOWA blends that discipline with a love for streetwear — resulting in a store that respects the craft and the buyer.
- NYC-based inspection studio
- Conservative grading to protect buyers
- Real human support, fast replies
Every piece is measured, inspected, and photographed in-house before it goes live.
FAQ
Yes. Every item passes a multi-step process: tag and season checks, fabric and print tests, hardware inspection, UV scan, and dual-auth sign-off. We back authenticity for the life of the item.
We add inventory after brand drops and throughout the season as we source verified pieces. Use filters like “New In” and “Season” to see updates quickly.
Return unworn, unwashed items with our tag intact within 14 days of delivery for review. Once confirmed, we process a refund to the original method.
We classify as New, Tried-On, Lightly Worn, or Heavily Worn, with macro photos and notes for all flaws and key details. Grading is conservative to protect you.
Use the measurements on each page; we list chest, length, shoulder, waist, inseam, rise, and leg opening. Fit notes like TTS, boxy, or slim hip come from our wear tests and returns data.
Ready to shop verified Supreme?
Explore New In, sort by season, and buy with confidence.
Start browsing