National Underwear Day 2023 by AlexTheFox2002 -- Fur Affinity [dot

By A Mystery Man Writer

Alex, Billy, Julian and Sid Wearing a Underwear Briefs.

Underwear Day! by hubbern -- Fur Affinity [dot] net

National Underwear Day 3: Hunter by TexasKingoftheGeeks -- Fur Affinity [dot] net

The Fox Prince in Briefs by AlexTheFox2002 -- Fur Affinity [dot] net

Nathan the Squirrel by AlexTheFox2002 -- Fur Affinity [dot] net

Favorites Gallery for TheFoxPrince11 -- Fur Affinity [dot] net

Favorites Gallery for TheFoxPrince11 -- Fur Affinity [dot] net

National Underwear Day by FoxxPox -- Fur Affinity [dot] net

National Underwear Day 2023 by AlexTheFox2002 -- Fur Affinity [dot] net

Favorites Gallery for Tosonic10 -- Fur Affinity [dot] net

National Underwear Day 2023 by Mushketeer -- Fur Affinity [dot] net

National Underwear Day by RedWolfGator99 -- Fur Affinity [dot] net

National Underwear Day by WallyTheWolf -- Fur Affinity [dot] net