Based on this product's specifications, here are some alternatives and similar models
Vinyl pants Black Level 28100421042 with full-length zip, black, size L
Summary description:
Black Level vinyl pants (model 28100421042) are shiny briefs made from 100% polyester with a polyurethane coating. They feature a padded metal full-length zip running from the front waistband to the back for quick opening. Intended for intimate and erotic use, these size L pants offer a glossy look, easy access and low-maintenance care.