New Arrival

The Sebastian Knit Polo Shirt - Onyx

31 reviews
Regular price$199
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Nothing speaks of refinement quite like Dandy Del Mar’s Sebastian Knit, where the polo meets the summer sweater on a sunlit byroad along the Mediterranean. This one’s for the dreamers who live outside of time . . .  the romantics and bon vivants. Aside from an updated pattern, this expertly tailored Italian knit features cuffs at the waist and sleeves, a finely ribbed collar, and a charming buttonless front placket for the right chest exposure. See you on the road Dandy.


  • Tailored in Italy
  • Knitted Pattern
  • Buttonless Polo Neck Placket
  • Ribbed sleeves, collar and waist
  • 100% Cotton

Ships within 1-2 business days.


All domestic U.S. orders eligible for Free Exchanges, Free Returns for Store Credit, or Easy Returns for Refund.

Discount Codes cannot be applied to Marked-Down Products.

Complimentary shipping on all U.S. orders over $150

Our Guarantee:

We maintain a high standard of quality and stand behind all of our products. If you are not totally satisfied with a product in your recent order, you may return it within 30 days of receiving the item (or within the Extended Holiday Return Window for eligible orders). After the 30 days window, we will still consider any items for return that are defective due to materials or craftsmanship. Learn More

We strive to accommodate:

Please contact us here to initiate an exchange or return of your Holiday Sale item.

Extended Holiday Return Window: January 15th, 2024

  • All orders placed between November 1, 2023 and December 15th, 2023 will be eligible for our Extended Holiday Return Window. Give the gift of Leisure knowing you or your loved one can exchange or return by January 15th, 2024.
  • Discount Codes cannot be applied to Marked-Down Holiday Sale Products.
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Reviews from our Customers

Customer Reviews
4.8 Based on 31 Reviews
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31 May 2022
Eric P.
United States United States

Uncommon appeal and uncommon quality

I found Dandy Delmar through one of those serpentine web experiences that begins for one reason and delivers something unexpected. Once on the website, I saw the Sebastian shirt, liked it immediately yet was curious about sizing. I emailed support and was answered within 3-4 hours, great first impression. With some sizing info in-hand I ordered two shirts, both 3X. Fyi, for 5'10" 220lb guys, 48" Chest, the 3x fits perfectly. The shirts shipped quickly and fit perfectly. The quality is evident from the moment you feel the fabric. I look forward to adding to my purchases.

21 June 2022
Mike G.
United States United States


I just received my shirt and I absolutely love it. I'm 5'8, 165 lbs, muscular/lean and it fits perfectly. An extra inch on the length might have been a better fit but overall it fits well. The sleeves hang perfectly and show off my arms nicely. I will be ordering more shirts. New loyal customer.

05 July 2022
Nick M.
United States United States

Great shirt

Love the shirt - I’ve gotten compliments both times I’ve worn it. The shirt does need to be washed delicately. I’m considering buying another color. Thanks Dandy!

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