BOOTDOC is the specialist for Power Fit Socks and for customized athletic footwear. BOOTDOC designs individual solutions for active feet that guarantee excellent comfort and performance when taking part in sport. What sets BOOTDOC apart is the fact that it offers the most innovative analysis methods and develops products that are designed to meet the needs of each individual athlete. Athletes who challenge themselves daily while looking for advancements in development and technology. BOOTDOC strives to be a part of this journey by supporting their feet, and developing the tools for them to improve their performance.


HOTRONIC designs and creates comfort and warmth solutions for active feet. With its offering of high quality components built upon the latest in technology, HOTRONIC meets the needs of the individual user. Heat Socks, Foot Warmers, and boot and glove dryers. HOTRONIC‘s goal is keeping feet warmer. Longer!

The product portfolio at a glance:

  • Foot analysis systems
  • Insoles
  • Heatable insoles
  • Power Fit socks / sports socks
  • Heat socks
  • Fitting tools and equipment
  • Foam liners
  • Boot and glove dryers