Toko Nordic Grip Wax - X-Cold. You spend less time prepping your skis and more time gliding over the peaceful trails once you start using the Toko Nordic Grip Wax. Features: Base Green: put on first before any other grip wax layer, it increases durability and friction Yellow: best for damp, new snow and loose, old snow; the warmest wax (Air: 38 to 26F) Red: the most versatile for new snow, man-made snow, and old snow; the middle temperature wax (Air: 32 to 14F) Blue: best for cold, dry, and compact snow; the coldest wax (Air: 20 to -22F)