For Thiruvonam (Sep 5): The Kasavu saree — cream or off-white Kerala cotton with a gold zari border. This is the one correct outfit for women on the main day. For men: set-mundu in white or cream with gold border, worn with a plain white shirt or jubba.
What not to wear on Thiruvonam: Bright coloured sarees, synthetic fabrics, polyester georgette, or anything that departs from the cream-and-gold palette. The simplicity of Kasavu is culturally deliberate.
For the rest of the 10 days: Lighter Kasavu or simple cotton sarees in soft colours are fine. The Pookalam flower colours — yellow, orange, marigold — are the natural palette for the festival.
The Kasavu Saree: Why It Is the Only Correct Choice for Thiruvonam
Onam is Kerala’s most important festival. Thiruvonam is its central day. The Kasavu saree — a handwoven Kerala cotton saree in cream or off-white with a gold zari border — is not simply a popular choice for Onam. It is the traditional dress, worn by Keralite women for generations on this day.
The logic of Kasavu is elegant: the cream fabric is pure and restrained, the gold border is festive and auspicious. Together they say “this is a special day” without competing with the vivid Pookalam (flower carpet) that is the true visual centrepiece of Onam. Wearing a bright pink or red saree on Thiruvonam is not a style error — it is a cultural one.
Correct Dress for Thiruvonam
- Kasavu saree in cream/off-white with gold zari border
- Set-mundu (mundu and neriyathu) for women who prefer it
- White or cream Kerala cotton blouse with kasavu trim
- Gold jewellery — traditional Kerala pieces are ideal
- Hair in a traditional bun or simple plait
- Fresh flowers (jasmine or Onam flowers) in hair
- Simple gold or gold-plated earrings and bangles
What Not to Wear on Thiruvonam
- Bright coloured sarees — red, pink, blue, green
- Synthetic sarees in polyester, chiffon, or georgette
- Heavy embroidered lehengas or salwar suits
- Sarees with heavy embroidery or stone work
- Heavily embellished blouses that pull focus
- Western dress for a Thiruvonam gathering
- Oxidised silver or very contemporary jewellery
Set-Mundu and Traditional Kerala Dress for Men at Onam
The traditional men’s dress for Thiruvonam is the set-mundu — two pieces of white Kerala cotton with gold kasavu border. One piece is wrapped around the lower body like a dhoti; the second is draped over the upper body or shoulder. A plain white shirt or jubba (traditional long-sleeved kurta-style shirt) is worn on top.
This is the dress in which Keralite men attend temple and sadya on Thiruvonam. It is the male equivalent of the Kasavu saree — simple, traditional, and correct. In cities away from Kerala, a plain white kurta-pyjama is an acceptable alternative, though it lacks the regional specificity of the mundu.
Traditional — Set-Mundu
- White/cream Kerala cotton mundu with gold kasavu border
- Second piece worn as upper drape or shoulder cloth
- Plain white jubba or full-sleeved shirt on top
- Barefoot or simple leather sandals for temple
- Minimal accessories — simple gold ring or chain
- Available from Kerala Handloom outlets (Rs 400-2,000)
Alternative — Kurta-Pyjama
- Plain white or cream cotton kurta-pyjama
- Acceptable for non-Keralites and urban gatherings
- Avoid printed or embroidered kurtas on Thiruvonam
- Simple white mojari or leather sandal
- For other Onam days: light-coloured linen kurta is fine
- Dhoti-kurta in white is the closest non-Kerala equivalent
The Pookalam Palette: Colour Inspiration for the 10-Day Festival
The Pookalam — a flower carpet made fresh each morning of Onam — is the visual heart of the festival. Each day’s Pookalam uses fresh flowers in vivid concentric circles: yellow marigolds, orange chrysanthemums, red ixora, white jasmine, pink periwinkle, and purple thumba. These are the colours of Onam.
For the days outside Thiruvonam (the other 9 days of the celebration), these Pookalam colours are appropriate inspiration for dress. A marigold-yellow kurta, an orange cotton saree, or a soft terracotta salwar suit all sit naturally within the Onam colour world — as long as you are not wearing them on the main day when Kasavu is expected.
| Colour | Pookalam Flower | Appropriateness | Works Best As |
|---|---|---|---|
| Cream / Off-White | Jasmine, white flowers | Correct for Thiruvonam — the Kasavu colour | Kasavu saree, set-mundu, white jubba |
| Marigold Yellow | Marigold (Chendumalli) | Ideal for other Onam days; festive and traditional | Cotton kurta, salwar suit, printed saree |
| Deep Orange / Saffron | Orange chrysanthemum, flame lily | Appropriate for days 1-9; warm and festive | Salwar kameez, simple saree, linen kurta |
| Terracotta / Rust | Red ixora, crossandra | Good for casual Onam days; earthy and Kerala-appropriate | Cotton saree, block-printed kurta |
| Soft Pink / Blush | Pink periwinkle, lotus | Acceptable for non-main days; light and festive | Chanderi salwar, georgette saree for events |
| Bright Synthetic Colours | Not part of Pookalam tradition | Avoid on Thiruvonam; acceptable but not traditional on other days | Reserve for post-Onam party events if at all |
Dressing Across the 10 Days of Onam 2026
Onam is not a single-day event. The 10 days from Atham (Aug 28) to Thiruvonam (Sep 5) and the day after each have their own rituals. The dress requirements vary across the days.
| Day | Date 2026 | Significance | Dress Guidance |
|---|---|---|---|
| Atham (Day 1) | Aug 28 | First Pookalam; Mahabali’s journey begins | Casual Kerala cotton; Kasavu not required |
| Days 2-8 | Aug 29 – Sep 4 | Daily Pookalam, social visits, cultural events | Cotton sarees, salwar suits, kurtas in Pookalam colours. Kasavu optional but appreciated. |
| Uthradom (Day 9) | Sep 4 | Eve of Thiruvonam; preparations peak. Many families begin to wear traditional dress from this day. | Kasavu or light traditional Kerala dress; many women wear Kasavu from this day onwards |
| Thiruvonam (Day 10) | Sep 5 | The main day. Onam sadya, prayers, family feast, Mahabali’s visit. | Kasavu saree for women. Set-mundu for men. No exceptions on a traditional Thiruvonam. |
| Sree Muruga Onam (Day 11) | Sep 6 | Final day; Mahabali returns. Subdued celebrations. | Casual or repeat Kasavu; the main event has passed |
Kerala Gold Jewellery for Onam: What Is Traditional
The Kasavu saree calls for gold. This is one occasion where oxidised silver, kundan, or contemporary jewellery is not the right choice — traditional Kerala gold pieces are what the outfit is designed to be worn with, and even simple gold earrings and bangles are better than elaborate non-gold jewellery.
Kasumala or Manga Mala
Kasumala is a gold coin necklace — one of the most iconic Kerala jewellery pieces. Manga mala is a mango-motif gold necklace. Both are made for the Kasavu saree and are heirlooms in many Kerala families. Worn for Thiruvonam by women who have them.
Heirloom — or Rs 40,000+ for new goldJimikki (Kerala Jhumka)
The Jimikki is a traditional Kerala drop earring in gold — a bell-shaped drop with fine granulation work, distinct from North Indian jhumkas. The song “Jimmiki Kammal” brought this earring international recognition. An essential Onam piece for many women.
Rs 3,000 – Rs 20,000 (gold-plated to gold)Plain Gold Bangles + Earrings
If you do not have traditional Kerala gold pieces, plain 22K gold bangles and simple gold stud or drop earrings are more appropriate than elaborate non-traditional jewellery. The restraint is the point — Kasavu is already doing the work.
Rs 5,000 – Rs 25,000 depending on gold weightGold-Plated Kerala Pieces
Good quality gold-plated Kerala jewellery — a Jimikki set, a Palakka-motif necklace, or a simple Manga mala in imitation gold — is entirely appropriate if you are not Keralite and do not own real gold pieces. Available from Kerala craft outlets (Rs 800-3,500).
Rs 800 – Rs 3,500Onam Outfit Budget: Four Tiers for the Kasavu Saree
- Power-loom Kasavu saree (Rs 400-900)
- Ready-made cotton blouse with kasavu border (Rs 200-400)
- Gold-plated Jimikki earrings (Rs 300-600)
- Simple gold-plated bangles (Rs 200-400)
- Kerala Handicrafts or government khadi stores
- Handwoven Kasavu from Balaramapuram weaver (Rs 1,500-3,000)
- Custom-stitched blouse with kasavu border (Rs 400-800)
- Kerala Handloom outlet set-mundu for men (Rs 600-1,200)
- Gold-plated Kasumala or Manga mala necklace
- Fabindia Kerala collection during Onam season
- Fine handwoven Kasavu with heavy gold border (Rs 4,000-10,000)
- Chendamangalam or Kuthampully weave with premium zari
- Custom blouse with embroidered kasavu detail
- Gold-plated statement Kasumala (Rs 2,000-5,000)
- Kerala boutique brands or specialist weavers online
- Heirloom-quality handwoven Kasavu with pure gold zari
- Real gold Jimikki or Kasumala from Kerala jeweller
- Bespoke blouse with hand-embroidered kasavu motifs
- Full traditional Kerala gold jewellery set
- Designer Kerala brands like Ritu Kumar Kerala collection