Quick Answer: What Is a Yisan?
A yisan (曳撒, yè sā) is a Ming robe with a crossed front and pleating below the waist. In documented examples, the front is joined at the waist and the back continues in one cut. Some have a smooth area framed by pleats on the lower front.[2]
- Front: Look for the waist join and folds beside the smoother panel.[3]
- Back: The uninterrupted cut helps separate a yisan from a tieli (贴里, tiēlǐ).[6]
- Material: Examples survive in both cotton and patterned silk satin.[1][2]
Compare the front and back at the same height before identifying the robe.

A yisan looks very different from the front and the back. The front draws your eye to the folds below the waist. At the back the upper fabric can continue all the way to the hem. That change is easier to see when the robe lies flat.
Turn the Robe Over to Read Its Cut
On the front, the waist seam joins the upper section to the lower one. Palace Museum researcher Dong Jin describes a front with a flat area in the lower section and pleats starting toward the sides. At the back, the fabric runs continuously through the waist. The tieli in the same comparison has a waist join on the back as well.[3]
The lower front can resemble a mamianqun (马面裙, mǎmiànqún), a separate skirt with flat and folded areas. On the robe, trace the flat area up to its join with the upper front. Then look at the sides to see how the extra panels and pleats sit behind the overlap.
Compare a Cotton and a Silk Yisan
A cotton robe excavated from the burial of Ming official Bi Zongxian, who died in 1494, survives with a continuous back, a joined front and an asymmetrical lower section. The published study identifies 37 pieces in the construction of the robe. It records sleeves shaped like a pipa lute with extensions, and bias-cut strips that hold the pleats, while most panels follow the grain. The history of Chinese cotton textiles gives context for the choice of cloth.[2]
The China National Silk Museum catalogs a brown yisan in patterned satin with motifs of winding water and clouds. It describes straight sleeves, pleats below the waist and an overlapping crossed neckline. The silk robe is 108 centimeters long, with a span of 214 centimeters from sleeve end to sleeve end.[1]
Read the fabric and sleeve shape as two separate details. Both garments have a crossed front and a pleated lower section. The sleeve shapes and cloth are features to check on the individual robe.
Where the Yisan Appears in Ming Dress
The silk museum relates the cut to the bianxianpao (辫线袍, biànxiànpáo), a braided-waist robe associated with Yuan dynasty clothing. The earlier robe has visible cords at the waist, a fitted upper body and room below it. The museum connects the Ming yisan with riding dress in the early dynasty.[1][4]
Yisan robes also appear in discussions of imperial informal dress and clothing for festive occasions. When a zhaojia vest or other outer garment covers the torso in an image, the visible folds give you only part of the outfit. Use the occasion and the other garments in the picture to interpret the robe within Ming dress history.[3][5]
Dong Jin points to the court painting of the Chenghua emperor’s Lantern Festival for figures in this kind of robe. In a crowd scene, check whether you can see the waist and lower front before naming the garment.[3]
Choose a Yisan for Modern Wear
Start with a front and back image from the same reference. Compare the sleeve opening and the overlap with the maker’s pattern. Cotton can give a different hang from satin, and linings can change how easily the folds spread. Ask whether the robe has enough overlap for sitting and taking a long step. If the garment is patterned, check where the motifs fall across the front seam and whether the folds hide part of the design.
Try the robe on with the layers you will actually wear. Reach forward and sit so you can check that the folded panels open without pulling the front fastening. The hanfu dressing guide covers sequencing layers and adjusting closures.
FAQs About the Yisan Robe
How do you pronounce 曳撒?
The dictionary lists yè sā. Palace Museum researcher Dong Jin gives a reading close to “yisan” in a study of the garment. Search with the Chinese characters when comparing catalog entries.[3][7]
Is the front panel a separate mamianqun skirt?
The flat area and neighboring pleats are part of the robe’s lower front. In a yisan with a joined front, you can follow that section up to the waist seam.[2]
What is the main difference between yisan and tieli?
Follow the back through the waist. In the construction comparison, the yisan continues without a join there and the tieli is cut and joined at the waist on both the front and back.[6]
Sources
[1] China National Silk Museum. Ming Silk Yisan With Winding Water and Cloud Patterns
[2] Chinese Social Sciences Today. A Ming Yisan in Undyed Cotton
[3] Dong Jin, Palace Museum. Ming Imperial Informal Dress
[4] China National Silk Museum. Yuan Braided-Waist Robe
[5] The Paper. Ming Clothing From the Kong Family Collections
[6] Wenzhou Museum. Clothing on Ming Dynasty Pottery Figures
[7] Hanyu Da Cidian, via Zdic. Yesa Dictionary Entry