Update: These undies have been bugging me for the longest time but I never really wanted to revisit them for
Muffin-top Slider - Body Parts - LoversLab
The Sims Resource - Scene Kitty Panties
Sims 4 Underwear Mods & CC — SNOOTYSIMS
Mod The Sims - Lots and Lots and Lots of Pajamas- Female
The Sims Resource - Designer Underwear
27+ Must-Have Sims 4 Body Presets for More Realistic Sims - Must Have Mods
i.imgur.com/T5FR18m.png
The Sims Resource - Default Sexy Sleepwear, bra & panties - More colors
3D model WOMEN S UNDERWEAR VR / AR / low-poly
thumbs2.modthesims2.com/img/7/9/6/5/4/0/1015810.la