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 Structured Panel Long Sleeve Tee blends clean silhouette design with subtle utilitarian edge. A layered front panel construction runs vertically down the chest, creating a sharp, architectural look that stands apart from standard long sleeve basics. Metal D-ring accents at both shoulders add a refined hardware detail that elevates the overall aesthetic without overpowering the minimalist form.
Comfort-First Fabric with Shape Retention
Constructed from a soft stretch blend of 72% cotton and 28% Sorona® fiber, this tee delivers everyday comfort alongside reliable shape recovery. The fabric holds its structure through repeated wear, making it a practical choice for daily use. A mock neckline and clean back construction keep the silhouette polished and versatile.
How to Style It
Available in heather grey and black, this tee pairs effortlessly with tailored trousers, cargo pants, or relaxed denim. Layer it under an open overshirt or wear it as a standalone statement piece. The structured paneling and D-ring details make it a strong foundation for both minimalist and streetwear-influenced outfits.
Size Guide
Size
Length (in)
Chest (in)
Sleeve (in)
Shoulder (in)
S
24¾
42½
23¼
17⅞
M
26
44
23⅝
18¾
L
27⅛
45¾
24
19½
XL
28⅜
47¼
24⅜
20¼
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.
