Cobalt Shell Monosuit. The Cobalt Monosuit from FLY Racing was created for those who want guaranteed protection from the elements. Built to inspire confidence, this full coverage monosuit allows you to focus on the adventure ahead and leave thoughts of doubt behind. Go further with the Cobalt Monosuit. Weatherproofing: Hydraguard Pro - Weatherproof Technology: Windproof, waterproof, breathable. 20,000 mm / 16,000 mm waterproof / breathable ratings. Seam sealed to block moisture. Four-way stretch fabric for comfort. Construction: 2Cool Air Vents® designed to keep snow out. Adjustable boot gaiter with lace attachment. Adjustable internal suspenders with sternum strap. Cordura® out-shell for light weight and durability. Removable internal PE knee protection.