It sounds like you're referring to a phrase or a code — possibly related to a jersey, a brand, a model number, or a social media caption.
To provide the correct report, could you clarify the industry (e.g., Aerospace, Mechanical, Software) or provide the full name of the organization associated with this "DASS 187" document? dass 187 eng top
In a clothing context (linked to "top"), "eng" translates to tight or slim-fit . The group has extensive merchandising lines (e.g., Vandal Sport ), where fit descriptions are common. It sounds like you're referring to a phrase