OMP Rain-K Kart Rain SuitOMP's Rain K Karting suit is constructed from an ultrathin, lightweight transparent PVC material. The 0. 15mm thick material is constructed into a comfortable oversuit with heat welded and taped seams. Designed to be worn over a traditional karting suit, the waterproof central zipper features a V shaped gusset to protect against the heaviest rains. A stretch band at the lower back keeps things comfortable, while elastic cuffs at the wrist and ankles