Port & Company
PC61M
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Port Authority K321
Interlock Knit Mock Turtleneck
Compare suppliers
Adult M · BlackShip to United StatesChecked Oct 28
| Supplier | Product | Shipping | Product + shipping | Est. delivery |
|---|---|---|---|---|
 · via Fulfill Engine Interlock Knit Mock Turtleneck | $29.19 | $5.39 | $34.58 | 3–7 business days |
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About this product
The Port Authority K321 Interlock Knit Mock Turtleneck is a men's long-sleeve top in 100% combed ring-spun cotton interlock. Its mock collar and sleeve cuffs use 1x1 rib knit.
What to know
-
100% combed ring-spun cotton interlock knit
Apparel fabrics guide -
6.3 oz cotton interlock fabric weight
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Long sleeves and a mock neckline
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1x1 rib-knit collar and sleeve cuffs
More product details
K321 is a men's long-sleeve mock turtleneck made from 100% combed ring-spun cotton interlock knit. Its 6.3 oz specification describes the fabric weight.
Interlock is the fabric construction, while 1x1 rib knit is specified for the collar and sleeve cuffs.
Keep comparing
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Common questions
How does Port Authority K321 differ from K805?
K321 is a mock turtleneck in 100% combed ring-spun cotton interlock. K805 is the distinct Vertical Texture 1/4-Zip Pullover in 63% polyester and 37% cotton fabric.
What does K321's 6.3 oz weight describe?
It describes the cotton interlock fabric weight, rather than the finished top's weight.
How should I wash the undecorated Port Authority K321?
Machine wash the undecorated top cold with like colors. Do not bleach. Tumble dry low and use a warm iron if necessary.
Port Authority K321 prices in other countries
Printify is cheapest by product + shipping to the US, the UK, Germany, Australia and Canada.
Adult M · Black · one item · standard pricing · checked 28 Oct 2026 Product + shipping in local currency · checked 28 Oct 2026
| Supplier | |||||
|---|---|---|---|---|---|
| Printify Ships from the US | $34.58 Cheapest · 3–7 business days | ≈ £29.97 Cheapest · 11–32 business days | ≈ €37.13 Cheapest · 11–32 business days plus duty €3.00 | ≈ A$60.92 Cheapest · 11–32 business days | ≈ CA$55.29 Cheapest · 11–32 business days |
United States · USD Product + shipping
- Printify Cheapest · 3–7 business days$34.58
United Kingdom · GBP Product + shipping
- Printify Cheapest · 11–32 business days · ships from the US≈ £29.97
Germany · EUR Product + shipping
- Printify plus duty €3.00 Cheapest · 11–32 business days · ships from the US≈ €37.13
Australia · AUD Product + shipping
- Printify Cheapest · 11–32 business days · ships from the US≈ A$60.92
Canada · CAD Product + shipping
- Printify Cheapest · 11–32 business days · ships from the US≈ CA$55.29
Product + standard shipping for one item. Days are each supplier's delivery estimate. Product + standard shipping for one item, in the country's currency. + duty: import duty billed on top. ≈ marks a converted product price.