Worldwide Shipping Available Orders are processed within 1–3 business days and shipping costs are calculated at checkout. Tracking information will be sent once your order has been dispatched.
Estimated Shipping Times Estimated delivery times vary by destination:
USA & Canada: 7–12 business days
Germany & UK: 3–9 business days
Europe: 5–12 business days
Asia Pacific: 10–20 business days
Australia: 8–15 business days
Typical delivery times are 3–12 business days, depending on the destination. Please note that actual delivery times may vary due to customs, carrier delays, or peak shipping periods.
Shipping Protection Shop with confidence — every order is covered by shipping protection from dispatch to delivery. In the event of loss or theft, we offer a full refund or complimentary reshipment.
Shop with confidence — we offer a 30-day money-back guarantee and accept returns within 30 days after delivery for eligible items that are unused, in their original packaging, with tags attached. If your item arrives damaged, defective, or incorrect, please contact us and we’ll work with you to make it right.
For quality-related issues or shipping mistakes on our side, we’ll cover the return shipping cost. Approved refunds are issued to your original payment method within 1–3 business days after inspection.
The Star 13 Long-Sleeve Mesh Jersey makes an immediate statement with its oversized "13" chest graphic, white appliqué star patches arranged across the upper chest, and matching number detail on the sleeve. The back features bold "U.N.U O.R.G" lettering with an Unusual Original script logo underneath, giving this piece a genuine varsity-meets-streetwear identity that stands out in any crowd.
Breathable Mesh Construction
Built from a lightweight performance mesh fabric, this jersey is designed to keep you comfortable whether you are layering it over a long-sleeve tee or wearing it as a standalone top. The open-weave mesh construction promotes airflow, while raglan-style seam lines and ribbed cuffs and hem add a clean athletic finish. The relaxed, oversized silhouette gives you freedom of movement and an effortlessly cool drape.
How to Style It
Layer this jersey over a fitted white or black long-sleeve shirt for a classic sport-street look. Pair it with wide-leg cargo pants, baggy denim, or athletic shorts to complete the aesthetic. The warm khaki-brown colorway makes it easy to mix with neutral tones and earthy palettes across all seasons.
Size Guide
Size
Length (in)
Chest Width (in)
Sleeve (in)
S
27.5
43.25
23.625
M
28.375
44.875
24
L
29.125
46.5
24.375
How to Find Your Perfect Size — Every Time
How to Find Your Perfect Size — Every Time
Struggling to pick a size online? Here's a simple trick: instead of guessing, use a piece of clothing you already own — and love the fit of — as your reference point.
Step 1: Pick Your Reference Item Think of a T-shirt you've bought before that fit you perfectly. Find that order and pull up its size chart.
Step 2: Focus on Two Key Measurements For streetwear-style tees, two numbers matter most:
Chest width— too narrow and it'll feel tight
Length— too long and it'll look sloppy
💡 Tip:Size charts sometimes list "Chest" as theflat-lay widthinstead of the full circumference. Here's how to tell the difference:
Large number(e.g., 49in / 124cm+) → likely the actual chest circumference
Small number(e.g., 24in / 62cm) → likely the flat width (garment laid flat and measured edge to edge)
Step 3: Note Your Ideal Numbers Write down the chest and length measurements from your best-fitting shirt. Care about sleeve length or shoulder width too? Note those down as well.
Step 4: Match to Our Size Chart Now check Seakoff's size chart and pick the size whose measurements are closest to your notes. That's it — no more guessing.
Works for Everything This same method applies to hoodies, sweaters, jackets, and more. Do it once, and you'll be able to shop confidently, anywhere — every time.
