Similar to my recent upload of Swimsuit Conversions for these ages, I present to you, Briefs!
Sims 4 armani briefs
The Sims Resource - Underwear F Child
PIGGY BANKS & TEEN PARTIES 💰🎉 - The Sims 4 Teen Mods
The Sims Resource - busra-tr
Sana Pants, Miss.Valentine
Age Up or Down by Age Group or Name - The Sims 4 Catalog
Mod The Sims - [maxis recolored] unisex underwear for children
Elder fashion! My favorite lifestage to make outfits for after teens. : r/Sims4
Shorter Teen Preset WIP : r/thesims
busra-tr BEARS SET-352 (TOP) BD978 Sims 4 custom content, Sims 4 mods clothes, Sims 4
Mod The Sims - Adorable Undies for Adults & Young Adults
The Sims 4 Pools Overview: Create A Sim
pleyita: BASIC BRIEFS My favourite briefs in the : MMFINDS
Mod The Sims - Boxer briefs
Mod The Sims - Basic Male Briefs Pack - five styles for Teen, YA and A