Make sure to properly maintain your cross-country skis. No matter the snow conditions, use the right product to fully enjoy winter pleasures. Whether it is a glide wax, a grip wax or any other maintenance product, Swix products will help you to optimize your performance on the snow. Easy to use, the Swix F4 Liquid universal glide wax can be used in all snow conditions on skis or snowboards for a long-lasting glide. The pocket-size container has a foam applicator on one end and a felt polisher on the other end. Apply, polish and go! Repeat if necessary.