Biltwell 4 Speed Vest - BlackBiltwell 4 Speed Vest Every bike rider needs a rugged vest in their gear arsenal, and our 4 Speed Vest answers the call. Its heavy duty cotton canvas exterior features generous sizing and elasticated expansion panels so you can layer it over a shirt, hoodie, or reinforced riding jacket. Two way zipper with Hypalon pulls lets you fine tune fit at the collar and waist. A breathable polyblend liner is built in to keep you warm and comfortable. Two