Atom Retro's Size Guide
Size and fit can vary between different brands or even different styles. Some brands make more than one fit in things like shirts or suits. For each item, please check under the 'sizes' tab for information on the fit and sizing of that specific item.
Our size information is intended as a guide only and conversions will be approximate. International size conversions may vary a little too, so be sure to check the 'sizes' tab for more specific information.
If in doubt, it is best to measure yourself and/or a similar item of clothing you already own and compare this to the sizes on our website.
Shoes and Accessories:
Mens Clothing:
Womens Clothing:
Cosy Coat Scale: Summer and Winter Outerwear
One thing we are asked quite often is 'How warm is this Coat? Can I wear this Jacket in Winter or is more of a Summer Jacket?' To help, we have put together our Winter Coat guide - to hopefully give you a better idea of the warmth of our Coats and Jackets. All coats are marked out of five, with one being the lightest, summer or warm weather jackets and five being the heaviest, winter and cold weather coats and jackets.
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Rating |
Info |
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1 |
Very lightweight jackets or coats, designed for Summer or warmer weather wear. Unlined. Shirt-Jackets, overshirts and hoodie or track top style jackets are also in this catagory.
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2 |
Lightweight Jacket designed for warmer weather wear. Usually lined, but still quite light.
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3 |
Transitional jackets and coats which could be worn in Spring or Autumn. Neither very light or very heavy. Good for mild weather.
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4 |
Heavier jackets and coats which will be suitable for colder weather, but not the coldest weather. No short length jackets. Raincoats and macs are included in this catagory unless quite heavy or light.
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5 |
The heaviest styles of coats, designed for wear in cold, wintery weather. These are the warmest and most cosy jackets and coats for those freezing days and nights!
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Shoes, Boots and other Footwear:
All shoes and boots are shown in UK shoe sizes.
International Shoe Size Conversion:

Please note, this is intended as a guide and is only approximate. Some brands will vary on thier recommended international conversion and some use alternate scales. Please check under the 'sizes' tab for info on specific boots and shoes.
Hat sizes are measured by the circumference of the brim of the hat.
Most hats and caps follow this standard sizing:
Small - 55cm
Medium - 57cm
Large - 59cm
Extra Large - 61cm
How to Measure your Head:
An average head size for a man is 57 - 59 cms. The average head size for a lady is 55 - 57 cms.
To check your head size, take a measuring tape and place it around the circumference of your head, slightly above the ears. The measurement is the size of hat you will need. eg. If you measure 57cm, your hat size is 57cm and so, a size medium.
International Jacket/Coat Size Conversion (Chest sizes):
| UK/US Size (Chest size in inches): | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
| European Size: | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 |
To Measure Your Chest Size:
Raise your arms slightly and measure just under your arms. Be sure to cross over the shoulder blades and the fullest part of the chest. Jacket sizes are equal to your chest size. For example, if you have a 38" chest, you would wear a size 38 Jacket or Coat. Be careful not to measure too tightly as your clothing will then be too tight.
If you are unable to measure yourself easily you can also compare the sizes to a jacket you already own and which fits you well. Measure the jacket laid flat and zipped or buttoned up. Measure straight across the jacket on the front from armpit to armpit, from seam to seam. Double the result and this should give you the chest size of the jacket. eg. If you measure 19" across the chest of the jacket, armpit to armpit, 19" doubled is 38", so 38" is the chest size of the jacket. Please bear in mind that different fits of different jackets may be tighter or looser cut, so it may be worthwhile measuring 2 or 3 jackets which fit you well to get a clearer idea of what size you need if you are using this method.
To confirm your jacket size, measure your waist or the waistband of a comfortable, well fitting pair of trousers or jeans and add 6 inches. eg. If you are a 30" waist usually your chest size will be about 36", or if you are a 32" waist, your chest size will be about 38", etc.
Baracuta Harrington Jackets:
Since 2013 Baracuta's G9 and G4 Jackets have changed. See our info page here for more details on the new size and fit.
Mens Shirts, T-Shirts, Polos And Other Tops
Most fashion brands follow this approximate fit:
This is the recommend size to fit, and not the measurement of the garment.
However, fit and size can vary from brand to brand, and not all garments follow the standard size guide. Some brands also make more than one fit (ie. slim fit, regular fit or easy fit). Check the 'sizes' tab for info on specific items fit and size.
Collar sizes:
Some formal shirts are sized in collar sizes in inches. Roughly, these sizes convert as:
This may vary a little from brand to brand or in different fits.
To measure your collar:
Place the measuring tape around the fullest part of your neck and keep the tape snug but not tight. For a comfortable fit, place 2 fingers between the tape and your neck. Round up to the next 1/2 inch.
Mens Trousers, Jeans, Flares And Drainpipes:
Trouser sizes are usually shown with the waist size in inches first, followed by a letter to represent the inside leg length, ie. 32R - this would be 32" waist with a 'regular' length leg.
International Trousers/Jeans Size Conversion:

To measure your waist:
Measure around your waistline where you normally wear your trousers or jeans, keeping your forefinger between your body and the measuring tape. Trousers, Jeans and Flares sizes are equal to your waist size. For example, if you have a 32" waist, you should wear a size 32" jeans or trousers.
Alternatively you can measure the waistband of a pair of trousers or jeans which are a comfortable fit. Measure around the circumference of waist band with the trousers fastened, this should give you the waist measurement.
Leg Length:
Where available, Jeans, Trousers and Flares are in 3 leg lengths. Unless stated otherwise, most styles will be:
Short (S) - 30" approx
Regular (R) - 32" approx
Long (L) - 34" approx
Some styles will be slightly different. Check under the 'sizes' tab for more specific information.
To measure your inside leg:
Using a pair of trousers or jeans that fit you well, measure from the top of the inner trouser leg seam to the opening at the bottom of the trouser leg (the hem). The number of inches is the inseam length, rounded to the nearest half inch.
Usually for suits, your jacket size will be 6 inches more than your trouser size. ie. If you are a size 30" waist, your jacket size will be 36", and so on.
To measure your chest:
Raise your arms slightly and measure just under your arms. Be sure to cross over the shoulder blades and the fullest part of the chest. Suit sizes are equal to your chest size. For example, if you have a 38" chest, you would wear a size 38 suit.
To confirm your suit size, measure your waist or the waistband of a comfortable, well fitting pair of pants and add 6 inches.
To measure your waist:
Measure around your waistline where you normally wear your trousers, keeping your forefinger between your body and the measuring tape. Trousers sizes are equal to your waist size. For example, if you have a 32" waist, you should wear a size 32" trouser.
Alternatively you can measure the waistband of a pair of trousers which are a comfortable fit. Measure around the circumference of waist band with the trousers fastened, this should give you the waist measurement.
Womens Jackets, Track Tops and Coats:
International Jacket/Coat Size Conversion:

Bust/Chest Sizes:
Measure around the fullest part of your bust. Approximately the following sizes are:
Size 6 UK - 79cm / 31.5"
Size 8 Uk - 84.25cm / 33"
Size 10 UK - 88cm / 34.5"
Size 12 UK - 92cm / 35.75"
Size 14 UK - 97cm / 38.25"
Size 16 UK - 102cm / 40"
Size 18 UK - 110cm / 43.25"
Womens T-Shirts, Jumpers, Shirts, Blouses And Other Tops:

International Size Conversion:










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