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.
This oversized plaid zip-up overshirt jacket blends vintage American flannel aesthetics with bold streetwear graphics. The front features a distressed white "XSSL" gothic-lettered logo flanked by "EXTRAORDINARY" and "INDIVIDUALITY" text in sky blue, while the sleeves carry vertical "INDIVIDUALITY" and "EXTRAORDINARY" lettering down each arm. A full-length silver zipper runs center front, and a spread collar adds a relaxed, layered look. Available in two colorways — a blue-toned plaid and a grey-toned plaid — this piece is built for those who want their outerwear to make a statement.
Product Highlights
Oversized relaxed silhouette ideal for layering over tees or hoodies
Full-length center-front zipper closure for easy on/off styling
Bold "XSSL" distressed gothic graphic print across the chest
Sky blue "EXTRAORDINARY INDIVIDUALITY" text on chest and sleeves
Classic plaid woven fabric with a soft, flannel-like hand feel
Available in blue plaid and grey plaid colorways
Fit & Styling
Cut with an intentionally oversized, boxy fit, this jacket works as a standalone top or an open overshirt layered over a graphic tee and cargo pants. The dropped shoulders and relaxed chest give it a streetwear-ready silhouette. Pair with slim joggers or wide-leg jeans to balance the volume. The spread collar can be worn open for a casual look or zipped up for a cleaner, structured appearance. Refer to the size chart: M fits a 114 cm chest, L fits 118 cm, XL fits 122 cm, and XXL fits 126 cm.
Product Details
Material: 65% Cotton, 35% Polyester. Woven plaid fabric with a brushed flannel-style texture. Full-length metal zipper. Spread collar. Long sleeves with buttoned cuffs. Screen-printed graphic on chest and sleeves. Available in Blue Plaid and Grey Plaid. Sizes M–XXL. Due to measurement methods, a 1–2 cm variance is within normal range.
Size Guide
Use the measurements below as a guide and compare them with a similar item you own.
Size
Shoulder (cm)
Chest (cm)
Length (cm)
Sleeve (cm)
M
48
114
66
60
L
49
118
68
62
XL
50
122
70
64
XXL
51
126
72
66
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.
