Ralph Lauren Cotton Striped Pajama Pants EUC

Comfy and basically brand new - don't think they've been worn! Based on research, these may have been part of a set, which would have included a matching button down shirt, but can't find anything to be sure, as can't find anything that match these details EXACTLY. - Elastic waist (back half) with grosgrain ribbon tie (all online pants have simple matching cotton tie) - Double button fly with stamped Ralph Lauren buttons (this fly make me believe these were marketed as Mens) - 100% cotton and NAVY blue with white stripes (truer color seen in closeups) - Back pocket over right cheek with embroidered RL initials (pink) - Approx INSEAM measurement is 31"L -ONLY flaw (shown) appears to be a small patch of "fuzzies" that would likely have been caused by rubbing against something rough (velcro?) ***FYI - Could also be worn by females! Based on measurements, would be equal to a Large in Womens #551