If you were looking for a technical tool rather than apparel, "B100zip" might be a shorthand confusion of two distinct utilities:
or a specific ? Knowing the context (e.g., fashion or computing) will help me provide the most relevant details. bzip2 : Home - Sourceware B100zip
: Equipped with dual side pockets and a drawstring adjustable hem for a customizable fit. If you were looking for a technical tool