"Glengarry Red White Black diced" likely refers to a specific style of Glengarry cap, a traditional Scottish military hat. The Glengarry cap is often associated with Scottish regiments and is a popular component of Highland dress.
A "Scottish Plain Black Glengarry" refers to a specific style of Glengarry cap that is solid black without any additional patterns or colors. The Glengarry cap is a traditional Scottish hat with a fold-over tartan flap in the back and is often associated with Scottish military regiments and formal Highland dress.
