The HS series waxes are great gliders for training and competition and can be used as a race wax alone or as a base for top coats. Replaces the Swix LF series. Turquoise HS5 is the hardest wax in the line, and is a great choice in cold conditions, due to its great durability and dry friction properties (-10 C / +14 F to -18 C / 0 F). Recommended iron temp: 150°C (311°F). Blue HS6 is very versatile. Its area of use stretches from underlayer for powder to racing wax and base prep wax for cold skis. HS6 has a good durability and offers great performance on natural and artificial snow. (-6 C / +21 F to -12 C / +10 F). Recommended iron temp: 145°C (293°F). Violet HS7 is a wax that performs great in normal winter conditions below the freezing point. Its hardness makes it convenient to work with and easy to get a good end-result. HS7 is an economic training and racing wax as well as an all round base prep wax. (-2 C / +28 F to -8 C / +18 F). Recommended iron temp: 140°C (284°F). Red HS8 is an economic training and racing wax as well as base prep wax for warm skis. Easy to melt and very convenient to work with. (+4 C / +39 F to -4 C / +25 F). Recommended iron temp: 130°C (266°F).