Description
The Seinse pocket overshirt is a versatile staple that’s perfect for layering in warmer weather. Crafted from a breathable cotton and linen blend, it’s lightweight yet structured enough to wear on its own or over a tee.
It features a classic collar, button-through front, and smart button cuffs, giving it a clean, utility-inspired vibe. With four flap pockets on the front, the Seinse overshirt is both practical and stylish—ideal for off-duty days or casual evenings out.
Details and Care
- 78% cotton, 21% linen, 1% nylon
- Classic collar
- Button-through
- Button cuffs
- Four flap pockets
- 90% polyester, 10% cotton lining
- Machine wash
Sizing Help
- Regular fit
View Our Size Guide
Delivery & Returns Information
STANDARD - Free delivery over £120
Estimated delivery within 2-3 working days with Evri.
£3.95
NEXT DAY - Free delivery over £200
Estimated delivery within 1 working day with DPD.
£5.95
To view other delivery methods and our international options, view our Delivery Page.
RETURNS & EXCHANGES
We hope you’ll love your purchase. If you’re not completely satisfied, you have 28 days from receiving your order to send it back to us for a refund or exchange. View our Returns Page for product restrictions and further information.
Description
The Seinse pocket overshirt is a versatile staple that’s perfect for layering in warmer weather. Crafted from a breathable cotton and linen blend, it’s lightweight yet structured enough to wear on its own or over a tee.
It features a classic collar, button-through front, and smart button cuffs, giving it a clean, utility-inspired vibe. With four flap pockets on the front, the Seinse overshirt is both practical and stylish—ideal for off-duty days or casual evenings out.
Details and Care
- 78% cotton, 21% linen, 1% nylon
- Classic collar
- Button-through
- Button cuffs
- Four flap pockets
- 90% polyester, 10% cotton lining
- Machine wash
Sizing Help
- Regular fit
View Our Size Guide
Delivery & Returns Information
STANDARD - Free delivery over £120
Estimated delivery within 2-3 working days with Evri.
£3.95
NEXT DAY - Free delivery over £200
Estimated delivery within 1 working day with DPD.
£5.95
To view other delivery methods and our international options, view our Delivery Page.
RETURNS & EXCHANGES
We hope you’ll love your purchase. If you’re not completely satisfied, you have 28 days from receiving your order to send it back to us for a refund or exchange. View our Returns Page for product restrictions and further information.
Size Guide
- 78% cotton, 21% linen, 1% nylon
- Classic collar
- Button-through
- Button cuffs
- Four flap pockets
- 90% polyester, 10% cotton lining
- Machine wash
- Regular fit
Menswear Size Guide
| XS | S | M | L | XL | XXL | XXXL | XXXXL | |
| UK/US | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| FR/IT/EU | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 |
| JP | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| CN | 170/88A | 175/92A | 180/96A | 185/100A | 190/104A | 195/108A | 200/112A | 205/116A |
| KR | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 |
| XS | S | M | L | XL | XXL | XXXL | XXXXL | |
| UK/US | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 | 17.5 | 18 |
| EU | 37 | 38 | 39 | 41 | 42 | 43 | 44 | 45 |
| UK/US | 28 | 30 | 32 | 34 | 36 | 38 | 40 |
|---|---|---|---|---|---|---|---|
| EU/IT | 44 | 46 | 48 | 50 | 52 | 54 | 56 |
| FR | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| JP | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| UK | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 |
| EU/IT | 39 | 39.5 | 40 | 40.5 | 41 | 41.5 | 42 | 42.5 | 43 | 43.5 | 44 | 44.5 | 45 | 45.5 | 46 |
| AU | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| JP | 23.5 | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 29 | 29.5 | 30 | 30.5 |
| XS | S | M | L | XL | XXL | XXXL | XXXXL | |
| UK/US WAIST | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 |
| EU | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 |
| XXS | XXS | XS | XS | S | S | M | M | L | L | XL | XL | XXL | XXL | |
| UK | 6 1/8 | 6 1/4 | 6 3/8 | 6 1/2 | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 |
| US | 6 1/4 | 6 3/8 | 6 1/2 | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 | 7 7/8 |
| FR | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 4 1/2 | 5 | 5 1/2 | 6 | 6 1/2 | 7 | 7 1/2 | 8 |
| CM | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 |