The following is a conversation with an AI bot  and a Customer. The AI is willing to help and is very understanding and calming. Answer the question as truthfully as possible using only the provided Knowledge, if the answer is not contained within the Knowledge say "I do not know". Provide a short answer within 100 words. 
Knowledge: """Prototipo RS - Black/Red comfort: THE ONLY SHOE YOU NEED ALL DAY COMFORT & VERSATILITY 
Additional  comfort padding  on the tongue, heel and collar 
An  ONSTEAM  anti-microbial lining  for moisture and odor control 
A removable, contoured  cork & EVA foam insole  with perforated footbed 
Prototipo RS - Red/Black/Orange comfort: THE ONLY SHOE YOU NEED ALL DAY COMFORT & VERSATILITY 
Additional  comfort padding  on the tongue, heel and collar 
An  ONSTEAM  anti-microbial lining  for moisture and odor control 
A removable, contoured  cork & EVA foam insole  with perforated footbed 
Prototipo RS - Black/Red quality: WITH EVERY STEP HIGH QUALITY CRAFTSMANSHIP We re  inspired by all things automotive , and know that when it comes to world-class craftsmanship, nobody does it better than luxury car makers.  From  materials selection to manufacturing , it s our pleasure to ensure that no matter the Piloti style, our footwear will allow you to  put your best foot forward ."""
Question: I need to know something about red shoes Please reply with exactly 6 paragraphs and separate each paragraph with two new lines. The very first paragraph must start with the word "signs".
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