Their traditional dress reflects Nyishi tribe people's distinctive heritage and affinity with nature. Nyishi men dress in eri or cotton cloth robes covered with beads and podum headgear, and Nyishi women wear the par ej, a lovely cotton outfit accompanied by jewelry and headdresses made of bamboo. The costumes are normally worn to festivals such as Nyokum, which represent the tribe's pride in its culture and ancestral heritage through classic designs and natural fabrics.

The Nyishi people, who are mostly found in Arunachal Pradesh, are famous for their strong cultural heritage and rich traditions. Their migratory past has shaped their clothing, incorporating functional yet unique patterns that mirror nature's forces. Nyishi costumes are designed to represent status, group identity, and religious values. Through celebrations such as Nyokum, the tribe honors its distinctive clothing, upholding its traditions while adopting contemporary interpretations of traditional wear.

The Nyishi clothing is of deep cultural meaning, worn to pay respect to ancestors and spirits during celebrations. Attire represents harmony, heritage, and spiritual affinity with nature. The podum headpiece and bamboo headpieces accentuate Nyishi culture, while the clothing represents social values and pride in community. These garments are not just for dressing up but also represent the tribe's devotion to upholding ancestral traditions and expressing respect for their land and gods.

The symbols and themes in Nyishi costumes are imitations of the natural world and tribal faiths. The headgear of the podum speaks of warrior masculinity, while beads and bamboo decorations on the heads symbolize affiliation with the natural world. The entire piece in the outfit symbolizes their origin and religious practice, with motif and design following tribal stories and ancestral knowledge. This outfit bolsters their origin and affiliation to ancient traditions.

Nyishi costumes are crafted from locally sourced materials, with cotton and eri silk forming the primary fabrics. Bamboo is skillfully used to create headdresses, while handcrafted beads make up traditional jewelry. These natural materials highlight the tribe’s sustainable practices and environmental harmony. The choice of bamboo and cotton underscores the Nyishi’s connection to nature, ensuring their attire remains lightweight, durable, and symbolically rich for every festival and ceremony.