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Estimated Shipping Times Estimated delivery times vary by destination:
USA & Canada: 7–12 business days
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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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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 Growing Mt99 Faux Two-Piece Long Sleeve Tee delivers a bold American streetwear aesthetic through a clever layered construction. A solid-color crew neck body — available in black or dark brown — is seamlessly combined with woodland camouflage sleeves to create the look of two separate pieces in one garment. The front features an embroidered shield badge and a flowing script "GrowingMt99" logo, while the back displays a large old-English "99" graphic rendered in matching camo fabric with a white outline.
Product Highlights
Faux two-piece design: solid body with contrast woodland camo long sleeves for an effortless layered look
Embroidered shield badge and script logo on the front chest for premium detailing
Oversized old-English "99" camo appliqué graphic on the back
Relaxed, boxy oversized silhouette suited to high-street and casual styling
Crew neckline keeps the look clean and versatile
Available in black and dark brown colorways
Fit & Styling
This tee is cut in a relaxed, boxy oversized fit that sits comfortably on the shoulders and through the body. The size chart recommends M for heights 165–175 cm / 55–65 kg, L for 170–180 cm / 60–70 kg, and XL for 175–185 cm / 70–80 kg. Pair it with straight-leg or cargo pants and chunky sneakers to lean into the American streetwear vibe. The camo sleeves add visual interest without requiring additional layering, making it an easy one-and-done outfit piece.
Product Details
Brand: Growing Mt99. Construction: faux two-piece with solid cotton body and camo-print sleeves. Neckline: crew neck. Sleeve: long sleeve. Graphic: embroidered front badge and script logo; camo appliqué back graphic. Material: 100% Cotton. Available sizes: M, L, XL. Colors: Black, Dark Brown.
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
122
56
48
L
67
126
58
49
XL
68
130
60
50
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.
