Epee masks come in two different levels of protection, 350 Newton and 1600 Newton also known as FIE. 350 Newton level is suitable for all domestic competitions in the UK and most other countries 1600 Newton masks provide a much higher level of protection and are needed for international events and Modern Pentathlon. The X-Change FIE mask is now the best selling fencing mask on our website as it is the only fencing mask in the world that allows you to remove, wash and replace all of the padding and the bib.