For convenient storage, these work bibs have 1 chest pocket and 2 side pockets. The N-Ferno 6472 Insulated Bib Overalls are designed to be worn over work pants for warmth and durability in cold environments.These insulated bib overalls are ideal for those who work in cold environments where hi-vis is not required, including refrigeration, transportation, airlines or agriculture. These black winter work bibs hide dirt and feature reinforced knee patches for long-lasting wear.