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 Seakoff "Champions 00" Mesh Jersey T-Shirt is a statement white and orange graphic tee built for those who wear their confidence loud. The front showcases oversized orange "00" numerals filled with green star accents, flanked by matching number graphics on each sleeve. A flowing "Champions" script runs across the lower front and back, while "Worldwide" lettering arches across the upper back — giving this jersey a full 360-degree design presence.
Vintage Varsity Details Done Right
Inspired by classic varsity and early 2000s athletic aesthetics, this jersey layers in deep maroon contrast stripe accents at the hem and sleeve cuffs, a ribbed V-neck collar in maroon, and small retro graphic details at the chest. The white breathable mesh fabric keeps the overall look clean and sharp while allowing airflow for all-day comfort. The relaxed fit sits comfortably on the body without feeling oversized or stiff.
Easy to Style, Built for Everyday Wear
Pair this jersey over a plain white or black tee, with baggy denim or athletic shorts, and clean sneakers for an effortless streetwear fit. It works equally well as a standalone top or a layering piece. Whether you're heading to a game, a casual outing, or a weekend hangout, this jersey brings instant retro energy to any look.
Size Guide
S: Bust 46.5 in / Sleeve 9.75 in / Shoulder 22 in / Length 26.4 in M: Bust 48 in / Sleeve 10.1 in / Shoulder 22.25 in / Length 26.75 in L: Bust 49.25 in / Sleeve 10.4 in / Shoulder 22.6 in / Length 27.1 in XL: Bust 50.75 in / Sleeve 10.9 in / Shoulder 23 in / Length 28 in
Size Guide
Size (in./cm)
Bust
Sleeve
Shoulder
Length
S
46 1/2 (118)
9 3/4 (25)
22 (56)
26 3/8 (67)
M
48 (122)
10 1/8 (25.5)
22 1/4 (56.5)
26 3/4 (68)
L
49 1/4 (125)
10 3/8 (26.5)
22 5/8 (57.5)
27 1/8 (69)
XL
50 3/4 (129)
10 7/8 (27.5)
23 (58.5)
28 (71)
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.