Shop › Port & Co™ Knit Cap Image 1 of 2 Image 2 of 2 Port & Co™ Knit Cap $25.00 Keep your head well covered during cooler weather in our cap that has a 3-inch folding cuff. Embroidered with Zūm logo. Quantity: Add To Cart Added! Keep your head well covered during cooler weather in our cap that has a 3-inch folding cuff. Embroidered with Zūm logo.