Light Blue Crewneck Sweatshirt
Light Blue Crewneck Sweatshirt
Size guide
| Size | Chest (in) | Length (in) |
|---|---|---|
| XS | 20 | 27 |
| S | 21 | 28 |
| M | 22 | 29 |
| L | 23 | 30 |
| XL | 24 | 31 |
| 2XL* | 25 | 32 |
| 3XL* | 26 | 33 |
Tolerance +/- 1 inch
*2XL and 3XL measurements are estimates based on the 1-inch increments in the XS–XL size chart.
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Product Details
- 80% cotton / 20% polyester
- 310 GSM premium-weight construction
- Crewneck silhouette
- Ribbed collar, cuffs, and waistband
- Soft interior lining
- Both the SEAPORT chest logo and SP Authentic Gear sleeve patch are embroidered.
Size guide
| Size | Chest (in) | Length (in) |
|---|---|---|
| XS | 20 | 27 |
| S | 21 | 28 |
| M | 22 | 29 |
| L | 23 | 30 |
| XL | 24 | 31 |
| 2XL* | 25 | 32 |
| 3XL* | 26 | 33 |
Tolerance +/- 1 inch
*2XL and 3XL measurements are estimates based on the 1-inch increments in the XS–XL size chart.
Read the story
Light blue is not a color you choose so much as one you return to. It is the color of the harbor in early morning before the boats go out, of old dock paint worn soft by salt air and decades of weather. It shows up in the sky on a clear September afternoon when the season is just starting to turn, in the faded canvas of a work jacket that has been around long enough to earn it. It is a coastal color — not because anyone decided it should be, but because it has always been there.
The Light Blue Crewneck is built around that same quiet permanence. Clean silhouette, no hood, no extra hardware. Just a well-made crewneck in a color that works on the water, in the city, and on every kind of day in between. The kind of piece you put on without deliberating and wear until the day is over.
The heavyweight construction gives it real substance — not a thin layer you forget about, but a sweatshirt with actual weight and warmth that you notice when you pull it on. That presence is the point.
Why You'll Keep Reaching For It
The 80/20 cotton-polyester blend holds its softness through regular wear and washing — no pilling, no collar stretch, no cuffs that lose their shape after a season. The ribbed collar, cuffs, and waistband keep their structure over time, which is the difference between a sweatshirt you replace and one you hold onto. Seaport branding is present but understated. It does not compete with the color.
Light blue also ages well. A little softening, a little fading, and it starts to look like something that has been around — which, after a few seasons, it will have been.
Designed in Boston. Rooted in Boston Harbor and built for life along the water.

