http://www.pointlomaoutfitting.com/p/S171015150.html - SLAM Force 1 Bibs in Navy. SLAM Force 1 is a lightweight Foul Weather line from SLAM Perfect for Tropical and Summer Cruising. It is made form 100% Ripstop Laminated Nylon fabric, that is Waterproof, breathable, windproof, with thermal taped seams and an ergonomic cut and styling. The Force 1 Bibs / Long Johns offer reinforced knees and come in the same matching colors. The SLAM Force 1 is perfect for Summer & Tropical Sailing Crews.