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 Essential Structured Tee is built around a sharp, minimal silhouette that works as hard as you do. Precision panel cut stitching runs vertically along the front, giving the shirt a tailored definition that sets it apart from a standard blank tee. The relaxed oversized fit drapes cleanly without looking sloppy, making it an effortless layer for any outfit.
Designed for Comfort and Shape
Crafted from a cotton-rich athletic blend, the fabric feels soft against the skin while holding its structure throughout the day. A reinforced neckline maintains its form wash after wash, and the boxy silhouette sits confidently whether worn tucked, half-tucked, or loose. Available in classic Black and Light Grey Marl, both colorways are styled to pair easily with joggers, cargo pants, or denim.
A Core Piece Worth Reaching For
This tee is designed to anchor a rotation, not just fill it. The understated paneling adds visual interest without relying on graphics or branding, keeping the focus on cut and construction. Whether you are building a minimalist wardrobe or refreshing your everyday essentials, the Seakoff Structured Tee delivers a considered, modern shape at a wearable weight.
Size Guide
S: Shoulder 19.5 in / Chest 43.5 in / Length 27.5 in M: Shoulder 20.5 in / Chest 44.5 in / Length 27.75 in L: Shoulder 20.75 in / Chest 45.75 in / Length 28.75 in XL: Shoulder 21.75 in / Chest 47.5 in / Length 29.5 in
Size Guide
Size (in./cm)
Shoulder
Chest
Length
Sleeve
Hem
Cuff
S
19 1 (49)
43 1 (110)
27 1 (69)
8 (22)
40 (104)
15 (38)
M
20 1 (51)
44 1 (112)
27 (70)
9 1 (23)
42 1 (108)
15 3 (39)
L
20 (53)
45 11 (116)
28 3 (72)
9 1 (24)
44 1 (112)
15 (40)
XL
21 (55)
47 1 (120)
29 1 (74)
9 (25)
45 (116)
16 1 (41)
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.
