Nadolig Llawen Butt - Siôn Corn Christmas Sweatshirt
Siôn Corn, Santa himself, wishes you a Nadolig Llawen Butt! A merry Welsh Christmas with a proper South Wales greeting, because even Father Christmas knows how to say hello to his mates.
Bring a bit of Welsh humour to Christmas catch-ups, present-opening and chilly winter evenings with this festive sweatshirt. The bold design and soft cotton faced fabric make it a cosy choice for the butt who takes their Christmas cheer seriously.
Designed in Wales, printed in the UK. Available in Fire Red, Jet Black, Arctic White, Bottle Green, Red Hot Chilli, Dusty Rose, Burgundy and Sapphire Blue, with sizes XS–5XL. Colour availability varies by size.
Prefer a lighter layer? Take a look at the Nadolig Llawen Butt Christmas T-Shirt.

Also available as the Nadolig Llawen Butt Christmas Hoodie.
Size guide
| Size: | XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL |
|---|---|---|---|---|---|---|---|---|---|
| Chest to fit (inches): | 34 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | 64 |
| Half chest (cm): | 49 | 51 | 56 | 61 | 65 | 69 | 73 | 78 | 83 |
| Body length (cm): | 64 | 67 | 70 | 73 | 76 | 79 | 82 | 86 | 90 |
| Sleeve length (cm): | 57.5 | 59 | 60.5 | 62 | 63.5 | 65 | 66.5 | 68.5 | 70.5 |
All garment measurements are approximate and for guidance only. Half chest is the width of the garment laid flat, not the chest-to-fit measurement.
About the Sweatshirt
- 80% ringspun cotton / 20% polyester, 280gsm.
- Drop shoulder style.
- Stylish fit.
- Soft cotton faced fabric.
- Taped neck.
- Ribbed collar, cuffs and hem.
- Twin needle stitching.
- WRAP Certified Production.
- Available in multiple colours, sizes XS–5XL.
📦 Printed to order: Please allow 4–5 working days for printing before dispatch. A faster postage option means you'll receive it sooner, but not within 24–48 hours of ordering. Diolch! 🏴