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- Free shipping with UPS
- 30-day money-back guarantee
- Pay securely with PayPal or Credit Card
The Supreme Overshirt for Timeless Style & Effortless Comfort
The Martin™ supreme overshirt blends modern style with laid-back comfort, quickly becoming a go-to staple in your wardrobe. This versatile piece is perfect for layering and adds an easy touch of sophistication to any outfit — whether you're dressing for the office, the weekend, or anything in between.

Why You’ll Love It
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Premium Materials: Made from durable, comfortable fabric that feels great and stands the test of time.
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Versatile Design: Wear it over a tee or button-up — ideal for work, casual outings, or meetups with friends.
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Modern Fit: Designed to flatter your shape without restricting movement.
- Year-Round Essential: Lightweight enough for summer, perfect for layering in cooler weather.

Specifications:
- Material: Durable and breathable cotton-blend fabric
- Fit: Relaxed yet flattering modern cut
- Style: Overshirt with button closure
- Occasions: Great for casual, smart-casual, or workwear
- Seasons: Suitable for year-round wear
- Available Sizes: S-3XL (Check size chart for a perfect fit)
SHIPPING & RETURNS
SHIPPING
At Olivia & Claire, we offer fast free shipping with UPS.
You will also receive a Track & Trace code after we processed your order so that you can track your order with peace of mind.
RETURNS
We stand behind the quality and excellence of our products, and to demonstrate our confidence, we provide a 30-day money-back guarantee on every purchase.
If you're not completely satisfied, simply return your item within 30 days of receipt for a full refund.
SECURE PAYMENT
Protection of your data is very important to us. We keep it confidential, never share it with others, and only use it for specific tasks before removing it. Our website uses SSL encryption to protect your data.

Loved by our customers

Quality & Style
At Grayson & Porter, we believe in quality over quantity. That's why we source only the finest materials and collaborate with skilled artisans who share our vision. Our mission is to offer stylish, durable, and versatile fashion that effortlessly fits any occasion.
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FAQS
Is your clothing made with sustainability in mind?
We are committed to responsible fashion. Our products are crafted with high-quality materials, and we continuously exploreeco-friendlypractices to reduce our environmental impact.
What if i'm unsure about sizing?
If you're unsure about the fit, we recommend choosing a size up. This will give you a more comfortable fit, and you can always return the item if needed. For questions, you can also always reach our customer service team.
How can I return my order?
Simply contact our customer service via our contact page. You will receive a reply with the return details within 24 hours.
How can i track my order?
Once your order has been processed, you will immediately receive a confirmation e-mail with your personal tracking details, which you can enter on our tracking page. This way you can always easily track your order.
Is my payment secure?
Yes, your payment is 100% secure. We use industry-standard SSL encryption to protect your information, ensuring a safe and reliable checkout process.






