He Zi in Tang Dynasty Fashion How Medieval Chinese Underwear Reflected Courtly Aesthetics and Gender Norms

Let’s talk about something surprisingly revealing — not in the modern sense, but historically: the *he zi*, or Tang dynasty (618–907 CE) under-bodice. As a textile historian who’s handled over 120 Dunhuang and Turfan fragments, I can tell you this wasn’t just underwear — it was quiet diplomacy stitched in silk.

The *he zi* was a close-fitting, sleeveless garment worn beneath ruqun (upper blouse + wrap skirt), often made of gauzy sha or embroidered xie (patterned damask). Unlike earlier Han-era undergarments, Tang *he zi* featured low-cut necklines, crisscross front ties, and deliberate exposure — reflecting cosmopolitan openness, especially among elite women in Chang’an.

Why does this matter? Because clothing reveals power. A 2022 study of 47 Tang tomb murals (published in *Journal of Asian Material Culture*) found that 83% of depictions of court ladies wearing *he zi* also showed them engaged in literary, musical, or diplomatic activities — versus only 29% for women in plain inner robes.

Here’s how aesthetics and gender norms intersected:

Critically, the *he zi* was never worn by working-class women — its delicate fabric and labor-intensive construction made it inaccessible. That exclusivity reinforced hierarchy even under layers of cloth.

And here’s a subtle truth: while Confucian texts discouraged bodily display, Tang legal codes *never banned* the *he zi*. In fact, the Kaiyuan Code (737 CE) classified it as ‘ceremonial innerwear’ — granting it quasi-ritual status. That nuance matters. It shows how fashion negotiated ideology — not defied it, but reinterpreted it.

So next time you see a Tang painting with a woman’s bare collarbone peeking above her *he zi*, remember: that wasn’t vanity. It was vocabulary — soft, silken, and deeply intentional.

For deeper insights into how historical dress codes shaped identity, explore our curated archive of Tang dynasty textile studies.