Product Overview 1 pair of Sidas Custom Heat Elements and Cambrelle Covers. Compatible with all Sidas Pro, One3 and Neo Batteries. Requires Installation. *This package does not contain physical foot beds. It contains 1 pair of replacement Sidas Heater Elements and Cambrelle Covers which must be installed onto your existing foot beds. Reviews (1 review) Write a Review 1 Review Hide Reviews Show Reviews 5 Ski Boot Heaters Posted by Bob Marra on 8th Dec 2020 Love the Sidas heaters. The 3 settings are perfect for keeping your feet warm whatever the temperature. Also, the Sidas rechargeable battery life is excellent, and gets you through a whole day on the slopes.