Flannel Shirt in Oat
The nostalgic classic, reimagined for modern comfort!
Our Flannel Shirt celebrates the humble “flanno,” a beloved Australian icon. Made from the softest 100% flannel cotton, it’s designed to offer warmth and comfort for both heart and soul. This timeless button- up is perfect for layering on chilly days or wearing solo for a relaxed, casual fit. Pair it with your favourite denim for a laid-back look, or opt for the matching pants to create the coziest winter ensemble.
Size Guide
Clothing
Our apparel follows standard Australian sizing. Measure yourself on the body and match to the chart below — if you land between two sizes, size up for a looser, more laid-back fit.
| Size | XXS | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|---|
| AUS / NZ | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
| US / EU | 0/32 | 2/34 | 4/36 | 6/38 | 8/40 | 10/42 | 12/44 |
| Underbust | 65 | 67 | 70 | 75 | 80 | 85 | 90 |
| Bust | 78 | 80 | 83 | 88 | 93 | 98 | 103 |
| Waist | 62 | 64 | 67 | 72 | 77 | 82 | 87 |
| Hip | 89 | 91 | 94 | 99 | 104 | 109 | 114 |
| Underbust | 25.5 | 26.5 | 27.5 | 29.5 | 31.5 | 33.5 | 35.5 |
| Bust | 30.5 | 31.5 | 32.5 | 34.5 | 36.5 | 38.5 | 40.5 |
| Waist | 24.5 | 25 | 26.5 | 28.5 | 30.5 | 32.5 | 34 |
| Hip | 35 | 35.5 | 37 | 39 | 41 | 43 | 45 |
Wetsuits
Wetsuits are sized on height and weight rather than body measurements. Our suits are cut in AU sizes and should feel snug without restricting you — a loose suit flushes water.
| AUS / UK | US | Height (cm)(in) | Weight (kg) |
|---|---|---|---|
| XXS 4 | 0 | 155–16661–65.5 | 45–52 |
| XS 6 | 2 | 160–16963–66.5 | 53–58 |
| S 8 | 4 | 164–17364.5–68 | 59–62 |
| ST 8 | 4T | 167–17666–69.5 | 59–62 |
| M 10 | 6 | 167–17666–69.5 | 63–67 |
| MT 10 | 6T | 169–17866.5–70 | 63–67 |
| L 12 | 8 | 169–17866.5–70 | 68–75 |
| XL 14 | 10 | 172–18167.5–71.5 | 76–82 |
| XXL 16 | 12 | 175–18569–73 | 83–90+ |
T sizes (ST, MT) are cut for taller frames through the torso and legs.
Swimwear
Our swim is designed for a close, secure fit that stays put in the surf. It shares the same body measurements as our apparel.
| Size | XXS | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|---|
| AUS / NZ | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
| US / EU | 0/32 | 2/34 | 4/36 | 6/38 | 8/40 | 10/42 | 12/44 |
| Underbust | 65 | 67 | 70 | 75 | 80 | 85 | 90 |
| Bust | 78 | 80 | 83 | 88 | 93 | 98 | 103 |
| Waist | 62 | 64 | 67 | 72 | 77 | 82 | 87 |
| Hip | 89 | 91 | 94 | 99 | 104 | 109 | 114 |
| Underbust | 25.5 | 26.5 | 27.5 | 29.5 | 31.5 | 33.5 | 35.5 |
| Bust | 30.5 | 31.5 | 32.5 | 34.5 | 36.5 | 38.5 | 40.5 |
| Waist | 24.5 | 25 | 26.5 | 28.5 | 30.5 | 32.5 | 34 |
| Hip | 35 | 35.5 | 37 | 39 | 41 | 43 | 45 |
Kids
Atmosea Kids is sized by age, with body measurements to check against. Measure on the body and match to the chart below.
| Size (ages) | Chest | Waist | Hip | Height |
|---|---|---|---|---|
| 0 | 5019.5 | 4919.5 | 5220.5 | 7429 |
| 1 | 5421.5 | 5321 | 5622 | 8433 |
| 2 | 5622 | 5421.5 | 5823 | 9236 |
| 3 | 5823 | 5521.5 | 6023.5 | 10039.5 |
| 4–6 yrs | 6224.5 | 5722.5 | 6425 | 11043.5 |
| 6–8 yrs | 6726.5 | 5923.5 | 6927 | 12047 |
| 8–10 yrs | 7228.5 | 6124 | 7429 | 13051 |
| 10–12 yrs | 7730.5 | 6325 | 7931 | 14055 |
| 12–14 yrs | 8232.5 | 6525.5 | 8433 | 15059 |
How to measure
To find the perfect Atmosea fit, simply put on your favourite underwear and measure yourself directly on your body. Take care to wear a really splendid-fitting bra.
- Bust
- Measure around the fullest part of your bust while wearing a bra that fits.
- Under bust
- Measure around your ribcage directly beneath your bust.
- Waist
- Measure around the narrowest point of your waist.
- Hips
- Measure around the fullest part of your hips (seat).
