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.
A clean, minimal zip-up shirt jacket built for the modern relaxed wardrobe. Featuring a classic point collar, full-length center-front zipper with a hanging pull tab, and a lightly gathered hem, this oversized white shirt men will appreciate sits at the intersection of casual and considered. Available in crisp white and soft sky blue, it layers effortlessly over tees or wears alone as a lightweight outer layer during spring and autumn.
Product Highlights
Full-length zip closure with metal zipper and tassel pull — no buttons, clean front face
Classic point collar gives it a shirt-like structure without the formality
Relaxed oversized silhouette with dropped shoulders for an easy, unrestrictive fit
Elasticated or gathered hem detail at the back for subtle shape and a bomber-inspired finish
Solid colorway in white or blue — versatile, season-neutral palette
Long sleeves with clean cuffs suitable for layering or wearing solo in mild weather
Fit & Styling
This shirt jacket is cut with an intentionally oversized, boxy silhouette — it fits generously across the chest and shoulders. Pair it with slim trousers or straight-leg jeans and sneakers for a relaxed streetwear look. The zip-up front makes it easy to wear open over a graphic tee or fully closed as a lightweight layer. The dropped shoulder and wide chest mean it works well as a transitional piece between seasons. Refer to the size chart: size M measures 66 cm in length, 128 cm chest, 53 cm shoulder width, and 58 cm sleeve length.
Product Details
Material: 100% Cotton woven fabric, offering a smooth, breathable hand feel with a slight structured drape typical of poplin or twill shirt-weight cloth. Style: Zip-up shirt jacket with point collar and gathered back hem. Closure: Full-length metal zipper with pull tab. Fit: Oversized, relaxed. Available colors: White, Blue. Available sizes: M, L, XL, 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 (cm)
Sleeve (cm)
M
66
128
53
58
L
68
132
54
59
XL
70
136
55
60
XXL
72
140
56
61
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.
