In the new fluoro-free racing world, Rex`s redeveloped their HF Line of liquids to keep the speed but lose the fluoros. The G-Line of waxes use a handful of new Rex technologies to speed up fluoro-free waxes such as UHW (increase of durability), N-Kinetic (increased glide properties and dirt repellence), Power Polymers (works with UHW to increase durability), and 2-Step Carrier Solvents (allows application of these new advanced liquid waxes). G21 is an all snow types, mild to moderate cold glide wax, between -2°C and -12°C. Comes in a 60mL Scrub Applicator bottle or a 150ml spray bottle.