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All our sizes are listed in Australian sizing, unless you're in the US, where sizing is displayed in US sizes. You’ll find a helpful conversion chart just below to make things easier, no matter where you're shopping from.
Our sizing is generally generous, but as we work with a range of amazing creators, there can be slight differences between styles. The best way to find your fit? Compare our garment measurements with something in your wardrobe that you already love.
Still unsure? Check out the reviews below – our community often shares helpful tips on fit!
And if you need a hand, our friendly customer care team is just a tap away via live chat.
* All measurements are guides only. Each item may vary 1-2cm from the listed measurement.
| Size | 1/2 Bust | 1/2 Waist | 1/2 Hem | Length |
| 6 | 33.5cm | 31.5cm | 38.5cm | 67cm |
| 8 | 36cm | 34cm | 41cm | 68cm |
| 10 | 38.5cm | 36.5cm | 43.5cm | 68cm |
| 12 | 41cm | 39cm | 46cm | 69cm |
| 14 | 43.5cm | 41.5cm | 48.5cm | 69cm |
| 16 | 46cm | 44cm | 51cm | 70cm |
| 18 | 48.5cm | 46.5cm | 53.5cm | 71cm |
| 20 | 51.5cm | 49.5cm | 56.5cm | 71cm |
| 22 | 54.5cm | 52.5cm | 59.5cm | 72cm |
| 24 | 57.5cm | 55.5cm | 62.5cm | 72cm |
| 26 | 60.5cm | 58.5cm | 65.5cm | 73cm |
| 28 | 63.5cm | 61.5cm | 68.5cm | 74cm |
| 30 | 66.5cm | 64.5cm | 71.5cm | 74cm |
| AU /NZ /UK | USA | Europe |
| 6 | 2 | 34 |
| 8 | 4 | 36 |
| 10 | 6 | 38 |
| 12 | 8 | 40 |
| 14 | 10 | 42 |
| 16 | 12 | 44 |
| 18 | 14 | 46 |
| 20 | 16 | 48 |
| 22 | 18 | 50 |
| 24 | 20 | 52 |
| 26 | 22 | 54 |
| 28 | 24 | 56 |
| 30 | 26 | 58 |
* All measurements are guides only. Each item may vary 1-2in from the listed measurement.
| Size | 1/2 Bust | 1/2 Waist | 1/2 Hem | Length |
| 6 | 13in | 12.5in | 15in | 26in |
| 8 | 14in | 13.5in | 16in | 27in |
| 10 | 15in | 14.5in | 16in | 27in |
| 12 | 16in | 15.5in | 18in | 27in |
| 14 | 17in | 16in | 19in | 27in |
| 16 | 18in | 17in | 20in | 28in |
| 18 | 19in | 18in | 21in | 28in |
| 20 | 20in | 19.5in | 22in | 28in |
| 22 | 21.5in | 21in | 23.5in | 28in |
| 24 | 23in | 22in | 25in | 28in |
| 26 | 24in | 23in | 26in | 29in |
| 28 | 25in | 24in | 27in | 29in |
| 30 | 26in | 25.5in | 28in | 29in |
| AU /NZ /UK | USA | Europe |
| 6 | 2 | 34 |
| 8 | 4 | 36 |
| 10 | 6 | 38 |
| 12 | 8 | 40 |
| 14 | 10 | 42 |
| 16 | 12 | 44 |
| 18 | 14 | 46 |
| 20 | 16 | 48 |
| 22 | 18 | 50 |
| 24 | 20 | 52 |
| 26 | 22 | 54 |
| 28 | 24 | 56 |
| 30 | 26 | 58 |
Bel wears 12
175 cm tall
104 cm bust
Overall rating: 4.8923078 / 5 from 65 reviews.
The Billi Long Sleeve Rib Tee in Navy is praised for its vibrant colours, comfortable and stretchy fabric, and highly appreciated long sleeves. Customers also highlight the garment's soft texture.
Review topics: ["size","fit","fabric","colours","length","material","feel","shirt","looks","quality","stretch","top","cut","sleeves","shade","clothes","softness","garment","cotton","tee","cuffs","layer","match","billie"].
"This top has great stretch, especially over my large upper arms and the sleeve length is perfect. It is very comfortable, the fabric is lovely and soft against my skin and I love the colour! True to size. I got the 18 and at 5ft2 I found the length to be ideal, sitting at my hip. I wear it with light denim jeans and the Marbella knit cardigan in pastel - a super cute combo!"
"New fave top, perfect length for under blazers and the blue is such a perfect match for another couple of patterns in my wardrobe, it's a delight to have such a bold block colour in long sleeve, perfect for office wear OR casual. Love love love the fabric!"
"The cult classic Billi but with a long sleeve, Love! Great colour, flattering fit and can be cuffed if like me you have short arms. The neckline enables you to adjust how it sits. From the office to the weekend, I've been reaching for this alot this winter."
"Amazing fabric, this colour is the perfect match for a few of my prpud poppy pants and so it's awesome to have a block colour on top that's not just white or black! Perfect layering!"
"The Billi Tees are so versatile with so many colours and sleeve lengths for every season. I LOVE colour and your prints and colours are fabulous. The Billi tees can play a backdrop top and let your beautiful clothes sing. I have many Billi Tees in my collection. Another winner PP :)"
"My first purchase to layer under my poppy top, love the colours, fit and quality if Proud Poppy Clothing."
"This long sleeve has all but solved my winter blues. This is my 4th one because I just live in them. Soft, warm of course, beautiful stretch so you don’t feel suffocated, breathable, brilliant colour options that wash well, and did I mention warm! Perfect for layering under jumpers for everyday wear and under a jacket with your favourite skirt for that elevated casual look."
"This is my new favourite long sleeved top. Fits like a dream!"
"You need this tee in all the colours! Perfect when you need that little bit of warmth, and it coordinates with so many garments. I size right up in this style (to avoid the rib fabric sticking to the midriff) to wear it loose(ish). Material feels good against the skin."
"Such nice material. Should have sized up from a 12 to 14"
