They make GENDER NEUTRAL UNDERWEAR (Estonia)

Brief vs Bikini Underwear: Which Style Is Right for You? – Q for Quinn™

Gender-neutral underpants to be displayed at the V&A, Fashion

Hold on to your knickers ladies, we're B Corp certified! – Stripe & Stare

UltimateS High Rise Brief - Black

Women's Underwear: Bodies, Briefs, Bras, Tops, Thongs

For Love & Lemons

Understance: Comfortable Bras, Bralettes, Underwear, & More

Kön offers gender-neutral underwear made from cellulose fibres

Mens Mid Briefs Alex Micro Modal White

What Color Underwear to Wear Under White Pants: 7 Tips – Q for Quinn™

The heavy-duty gender-affirming slip for safe and effective tucking., Details, The Slip Maria flattens the penis for a smooth, sleek and feminine

Slip Maria black

Lingerie terminology: A glossary

Trunks for men - Men's trunks with short legs

The Ultimate Guide to Underwear Types – Stripe & Stare