How long does shipping take?

2-5 business days anywhere in the US (YYCG currently ships within the US only). Free standard shipping unlocks at 3+ items.

How does the summer sale work?

Buy 2+ items and 15% off applies automatically at checkout, no code needed. 3+ items unlock free standard shipping.

What is the return policy?

Returns are accepted within 30 days for unworn items with the original packaging seal intact. Approved returns are refunded to the original payment method.

What fabric is YYCG underwear made from?

A ribbed knit of 91% bamboo-derived rayon and 9% elastane at 215 GSM — naturally soft, breathable, and stretchy in both directions.

How should I care for it?

Machine wash cold (30°C) with eco-friendly detergent, then hang dry. Avoid tumble drying.

Women's Boy Brief

Model wearing the gray Ribbed Boy Brief — YYCG women's ribbed bamboo-rayon underwear

4.7

Gray Ribbed Boy Brief studio flat-lay — YYCG women's ribbed bamboo-rayon underwear

Boy Brief · Gray

$30.00

Model is wearing size S5'10"

Model wearing the white Ribbed Boy Brief — YYCG women's ribbed bamboo-rayon underwear

5.0

White Ribbed Boy Brief studio flat-lay — YYCG women's ribbed bamboo-rayon underwear

Boy Brief · White

$30.00

Model is wearing size S5'6"

Model wearing the black Ribbed Boy Brief — YYCG women's ribbed bamboo-rayon underwear

5.0

Black Ribbed Boy Brief studio flat-lay — YYCG women's ribbed bamboo-rayon underwear

Boy Brief · Black

$30.00

Model is wearing size S5'10"