请大神帮忙翻译，紧急！谢谢！！！

1. "What kind of fabric is POLAR used in clothing?"
POLAR is a type of fabric often used in clothing for its warmth and insulating properties. It is typically made of a synthetic material like polyester or a blend of synthetic and natural fibers.

2. "What does the UNDERELIEF LOGO on the drawstring mean?"
Without more context, it's difficult to say exactly what this means. "Underrelief" is not a common word or phrase. It's possible that it is a brand or company name and the logo on the drawstring is simply the brand's logo.

3. "What does LACRE mean in clothing?"
"Lacre" is not a common term in the clothing industry. It may be a brand or company name, or a specific style or label used by a certain brand. Without more context or information, it's difficult to say for sure.