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 Darkness Spine Graphic Shirt commands attention with a large-scale skeletal ribcage print across the entire back. The detailed white bone illustration spans the shoulder blades down to the spine, creating a dramatic visual that sets this piece apart from standard streetwear. The front features an arched "Darkness Est. 2023" chest logo in gothic-style typography, keeping the look intentional and cohesive.
Vintage Washed Finish and Relaxed Fit
Crafted from 100% cotton, this shirt features a washed finish that gives it a lived-in, vintage aesthetic straight out of the bag. The faded black tone adds depth and character to the fabric. A button-free open collar adds a relaxed polo-inspired silhouette, while the boxy, relaxed fit ensures comfortable all-day wear without sacrificing style.
How to Style It
Wear it as a statement layer over a black long-sleeve tee, or keep it simple with cargo pants and chunky sneakers. The dark colorway and graphic-heavy back make it a natural anchor for monochrome or all-black outfits. Ideal for streetwear enthusiasts, skate culture fans, and anyone drawn to dark, graphic-forward fashion.
Size Guide
Size
Length (in)
Chest (in)
Shoulder (in)
Sleeve (in)
M
27.5
47.25
21.625
9.25
L
28.375
49.625
22.5
9.5
XL
29.125
51.125
23.25
9.625
XXL
29.875
52
23.625
9.875
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.