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.
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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 men's long sleeve striped V-neck shirt delivers a clean faux-layered look with a double-collar construction that mimics a crew-neck tee worn underneath. The black-and-white horizontal stripe pattern runs consistently across the body and sleeves, giving it a classic Breton-inspired aesthetic that works across casual and smart-casual settings. The relaxed, boxy silhouette makes it an easy layering piece for spring and autumn.
Product Highlights
Faux two-piece design: V-notch neckline with a contrasting white inner collar layer for a styled, effortless look
Classic black-and-white horizontal stripe pattern across the full body and sleeves
Relaxed, oversized boxy fit — comfortable through the chest and shoulders without being shapeless
Long sleeves with clean, unribbed cuffs for a streamlined finish
Ribbed-texture fabric adds subtle visual depth and structure to the stripe pattern
Versatile seasonal weight suited to spring and autumn layering
Fit & Styling
This shirt is cut with a relaxed, slightly oversized silhouette — the chest measurement runs wide relative to the length, making it ideal for those who prefer a casual, unstructured fit. Pair it with slim or straight-leg trousers and clean sneakers for an effortless everyday look, or layer it under an open overshirt or light jacket in cooler weather. The faux-layered collar adds visual interest without requiring an actual second layer. Refer to the size chart: size M measures 68 cm length, 112 cm chest, 47.5 cm shoulder width, and 60 cm sleeve length; size XL measures 72 cm length, 120 cm chest, 50.5 cm shoulder width, and 63 cm sleeve length.
Product Details
Material: 65% Cotton, 35% Polyester. Black base with white horizontal stripes. Faux double-layer V-notch neckline with white contrast inner collar. Long sleeves. Relaxed boxy fit. Available in sizes M–XXL.
Size Guide
Use the measurements below as a guide and compare them with a similar item you own.
Size
Length (cm)
Chest (cm)
Shoulder Width (cm)
Sleeve Length (cm)
M
68
112
47.5
60
L
70
116
49
61.5
XL
72
120
50.5
63
XXL
74
124
52
64.5
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.
