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Description
C-MAP 4D NA-D941 Block Island to Norfolk [M-NA-D941-MS]C MAP 4D NA D941 Block Island to Norfolk The next evolution in navigation solutions. C MAP 4D adapts to your boating needs because it's the only digital chart that offers advanced features and lets you add data and services as they become available. Full 4D Content When you choose Full 4D content you will experience the latest in navigation data and technology such as: 3D Chart View The world has three dimensions. When you add the 4th dimension of
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4.4 ★★★★★
Based on 425 reviews
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Product Reviews
★★★★★ 4
Good quality, runs small through middle
Color: Nave Blue, Size: 3X-Large
Good looking shirt and much thicker and sturdier than I expected. Run small in gut though. I'm a 3X in everything but had to get 4X in this.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Great overshirt, but heavier than you might expect.
Great fit. Good quality, heavy cotton. I bought it as a substitute for a light jacket… to maybe wear open with a t-shirt. It’s pretty heavy… almost like denim… which was what I wanted. But it’s heavier than what I would wear as a “shirt”. The price was great, so I’d buy it again since it comes in a variety of colors.
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Reviewed in the United States on July 21, 2025
★★★★★ 1
100% polyester is awful!
Color: Olive Green, Size: Large
As others have pointed out, this used to be 100% cotton and it was great. Sturdy and comfortable, nice worn-in look. Now it’s 100% polyester and it’s terrible. Feels cheap, looks cheap and shiny. Please bring back the cotton shirts.
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Reviewed in the United States on May 4, 2026
★★★★★ 3
Machine Washable but NOT Machine Dryable!
Seems well made and fits me well (6'2", 196 lb). I like the feel and color. However, contrary to lots of the reviews saying the shirt the received, mine was 100% Polyester. The instructions say machine washable. But upon receiving the item, its label says "do not tumble dry." I intended it for a two week+ cruise where washing it and quick drying will be essential. Drip drying would be very inconvenient.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Thicker shirt, not jacket or shacket.
Color: Olive Green, Size: Small
It's not a jacket or a shacket-- too thin for that. But it is a thicker shirt, very soft, and could be worn as business/dress or casual. We didn't keep it, because it wasn't what we were looking for, but it's a nice shirt. Bigger than we were hoping for a 10-year-old boy (who is very tall for his age).
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Reviewed in the United States on October 28, 2025
