Back by popular demand, our critically acclaimed Master Bib comes equipped with 2-way stretch Tufftech fabric, providing maximum durability with minimal constraints. The Strata Flow venting system has been updated with 2 mesh lined inseam vents and full side 2-way zip venting, so overheating will never be an issue. The 2 Layer 30K Stretch Cordura will keep you dry on those wet days, and the Cordura reinforced Kick Panels give additional durability that will allow these bibs to outlast the rest.