Thank you for viewing. ✅ Likely from the 70s or 80s. ✅ Marked size is M. ✅ The ribbing is still in good condition for its age, and the overall condition isn't bad, but there is some wear and tear, and the YKK zipper has some peeling. ✅ Please refer to the photos for the condition. ✅ How about it for those who understand vintage items (with some scratches, stains, and fraying)? ⚠️ Please read the profile. ⚠️ Price negotiations in the comments are not supported. ⚠️ Recommended to use the "Offer Price" feature. Thank you for your consideration.