Emperor's ceremonial robe, ohiki-nohshi.
Explanation
1. ryuei-no on-kanmuri
2. kakeo
3. o-hikinohshi
4. naga-on-kinu
5. naga-on-hitoe
6. on-nagabakama
7. on-hikinohshi-no ran
8. on-kumiobi
9. on-shaku
10. on-tatoh
11. on-hiohgi