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Mainmast Coat


In stock - Despatched in 2-3 working days

Product Description

100% Nylon

Our Mainmast Coat is a super-cosy, padded style for really chilly days. We’ve developed a brilliant alternative to down that’s ultra-light, hypoallergenic and machine washable and it’s the best way we know to keep out the cold. This mid-thigh length coat has an adjustable hood, two-way zip with an anchor pull, side pockets and elasticated sections in the side and back waist for a comfortable, feminine fit.

  • 100% Nylon
  • Fitted
  • Mid-thigh length
  • Long sleeves
  • Adjustable hood
  • Two side pockets and internal zip pocket
  • Two-way zip with anchor pull
  • Showerproof

  • Machine wash seperately at 30°C
  • Made in China, in line with our Ethical Trading Policy.

Want to know what size you are in Seasalt? FIND YOUR SIZE >

For specific measurements for this garment, see below:


Change to Inches Change to Centimetres
SIZE 8 10 12 14 16 18 20    
Bust (cm)(inches) 99.0 39.0 104.0 40.9 109.0 42.9 114.0 44.9 120.0 47.2 126.0 49.6 132.0 52.0    
Length (cm)(inches) 89.0 35.0 90.0 35.4 91.0 35.8 92.0 36.2 93.0 36.6 94.0 37.0 95.0 37.4    
Sleeve Length (cm)(inches) 62.7 24.7 63.0 24.8 63.3 24.9 63.6 25.0 63.9 25.2 64.2 25.3 64.5 25.4    


PLEASE NOTE: All Seasalt garments are made by real people not robots! Not all the products will measure exactly to the measurement guides, which are listed as guidelines only to help you select the best size for you.

(2) Reviews * * * * *

Average customer rating 5 out of 5, based on 2 reviews.

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Fit: True to Size 
* * * * -

easy to wear

I personally would prefer it without the
elasticated back. Very pleased with it, very light and comfortable. I feel good in it.

Posted by smile  •  29th September 2016

Fit: True to Size 
* * * * *

Soft and Light

I've just received this coat and it is just what I was looking for. A good fit - I'm 14/16 and decided to keep the 16 to allow room for winter clothes. I like the length, it's light weight and the shaped waist. It feels soft and is not shiny unlike my previous coat(not seasalt). My only gripe is that the pockets don't have zips. Nice to find such a coat without feathers. Very happy.

Posted by SueB  •  13th September 2016

Delivery & Returns

UK Delivery

Type Cost How long will it take?
Standard UK £4.00
(Free on orders over £50) 
3-5 working days
Next Working Day UK £6.95 Order by 3pm Mon-Fri for next working day delivery
(orders placed on a Bank Holiday weekend will arrive on Weds)
Click & Collect FREE 3-5 working days for in store collection
CollectPlus £5.50 1-2 working days
Channel Islands £6.95  exc. VAT 3-5 working days
International Delivery £7.08-£15.00 excl. VAT 7-10 working days for delivery within Europe
14 working days (up to 3 Weeks)

Find out more about Seasalt delivery options >

Free returns

We now offer UK customers free returns on all orders - simple as that! Find out more about how to make a return >

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