USAF Extreme Cold Weather Parka, N-3B

(9 customer reviews)

This product is currently out of stock and unavailable.


  • Water Resistant
  • Windproof
  • Outer Layer Clothing
  • Elastic Wrist Cuffs
  • Front Pocket
  • Clothing Button Closure

Issue Type: USAF Issue

Manufactured by:

  • Various Government Contractors

Country of Manufacture: USA


  • Dry Clean Only – Clothing or gear is recommended to be dry cleaned only.

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These parkas can NOT be shipped to PO boxes. Orders to PO boxes will be cancelled and refunded.

The N-3B parka, also known as the Snorkel Parka, was developed in the 1950’s for use by Air Force flight crews stationed in extremely cold static areas. The parka was designed for use down to -60 degrees Fahrenheit, with other layers worn underneath. The nickname “snorkel parka” comes from the hood being able to be zipped up to where only a small part of the wearers face is exposed. The parkas are wind proof and are lined with polyester, making them light for the level of warmth they provide. Early versions of the parka (not these ones) were lined with wool and the hoods were lined with real fur. Later production would switch to synthetic lining and wool blends for the hood. The parkas are ¾ length, so they cover past the wearers waist and have a draw string that can be adjusted for best fit around the waist. On the front are four pockets with button snap closure. The parka has a zippered front with a buttoned storm flap for extra protection. This is a great jacket for the coldest days when outside working or just walking around town.

Used have some discoloration from long term storage! Please note these are NOT waterproof.

Material Varies, Typically Is:
Outer Shell: 80% Cotton / 20% Nylon
Fur Ruff: 60% Modacrylic, 40% Wool
Insulation: 100% Polyester

Chest: 54″
Overall Length: 33″
Sleeve: 19″

Chest: 48″
Overall Length: 33″
Sleeve: 18″

Chest: 48″
Overall Length: 30″
Sleeve: 18″


  • Water Resistant – It can be exposed to water for a short period of time without being damaged or saturated with water. Generally not recommended to submerge Water Resistant items unless item is made for that level of exposure.
  • Windproof – It will help break the wind an hold warmth even in windy weather.
  • Outer Layer Clothing – Clothing is sized to fit over other clothing of the same size. For example, if you select size Medium, it will fit over base layers in size Medium. Outer Layer Clothing worn stand alone will fit typically one size up.
  • Elastic Wrist Cuffs – Cuffs around wrists are elastic for fit and to prevent debris from entering clothing
  • Front Pocket – This item has front pocket(s).
  • Clothing Button Closure – Has buttons for the closure.

Manufactured by:

  • Various Government Contractors – This item is manufactured for the US government by various contractors.

Country of Manufacture: USA – This product is manufactured in the #1 country, the USA.

Issue Type: USAF Issue – This item is genuine US Air Force issue.


  • Dry Clean Only – Clothing or gear is recommended to be dry cleaned only.

Additional information


10' x 10', 10' x 20', 10W, 11R, 12R, 12W, 13R, 13W, 14.5 x 31, 14.5 x 33, 14R, 15.5 x 28, 15.5 x 31, 15.5 x 33, 15.5 x 35, 15.5 x 36, 15.5 x 42, 15W, 16.5 x 36, 160/80, 170/90, 180/104, 180/110, 190/112, 190/120, 190/96, 200/104, 200/112, 26" Waist, 28" Waist, 2XL Extra Long, 2XL Long, 2XL Regular, 2XL Short, 30" Waist, 30×31, 30×33, 32" Waist, 32×29, 32×31, 32×33, 34" Waist, 34R, 34×29, 34×31, 34×33, 34×35, 36" Waist, 36L, 36R, 36S, 36×29, 36×31, 36×33, 36×35, 38" Waist, 38L, 38R, 38S, 38WS, 38XL, 3R, 3W, 3XL, 3XL Regular, 40" Waist, 40L, 40R, 40S, 42L, 42R, 42S, 42XL, 44" Waist, 44L, 44R, 44S, 44XL, 46" Waist, 46L, 46R, 46S, 48/50, 48R, 4R, 4W, 5' x 10', 5' x 5', 50R, 52" Waist, 54R, 5R, 5W, 6 1/2, 6' x 10', 6' x 20', 6R, 6W, 7 Wide, 70/72/88, 70N Gloves (Small), 70W Gloves (Medium), 75/72/88, 75/76/92, 75N Gloves (Large), 75W Gloves (XL), 7R, 80/72/88, 80W Gloves (XXL), 82/88/104, 85/80/96, 8R, 8W, 9R, 9W, Extra Small Extra Extra Short, Extra Small Long, Extra Small X Long, G10, G11, G12, G4, G44, G48, G5, G6, G7, G8, G9, Glove Large Wide, Glove Medium Wide, Glove size 1, Glove size 2, Glove size 3, Glove X Large Wide, GR1, GR10, GR12, GR13, GR15, GR19, GR2, GR3, GR7, GR8, GR9, K44, K48, Large Extra Extra Long, Large Extra Long, Large Extra Short, M44, M48, Medium Extra Extra Long, Medium Extra Short, Medium XX Short, One Size, S59, S60, S61, S62, S64, SG48, Size 28, Size 32, Size 36, Small X Long, Small XX Long, Small XX Short, Waist 30L, Waist 30R, Waist 30S, Waist 32R, Waist 32S, Waist 34L, Waist 34R, Waist 34S, Waist 36S, Waist 38R, Waist 38S, Waist 40R, Waist 40S, Waist 40XS, Women's 25 Extra Short, Women's 25 Regular, Women's 25 Short, Women's 28 Extra Short, Women's 28 Long, Women's 28 Regular, Women's 28 Short, Women's 30 Regular, Women's 30 Short, Women's 30 X Short, Women's 31 Long, Women's 31 Regular, Women's 31 Short, Women's 31 X Short, Women's 32 X Short, Women's 33 Long, Women's 33 Regular, Women's 33 Short, Women's 33 X Short, Women's 35 Extra Long, Women's 35 Long, Women's 35 Regular, Women's 35 Short, Women's 36 Long, Women's 36 Regular, Women's 36 Short, Women's 36 X Long, Women's 39 Long, Women's 39 Regular, Women's 39 Short, Women's 39 X Long, Womens 10L, Womens 10S, Womens 10XS, Womens 12L, Womens 12R, Womens 16R, X Small X Short, XL X Long, XL XX Long, 10R, 11W, 2XL, 6 3/4, 6 7/8, 7, 7 1/2, 7 1/4, 7 1/8, 7 3/4, 7 3/8, 7 5/8, 7 7/8, 8, 9, 9.5W, Extra Small, Extra Small Regular, Extra Small Short, Large, Large Long, Large Regular, Large Short, Medium, Medium Extra Long, Medium Long, Medium Regular, Medium Short, Regular, Small, Small Extra Short, Small Long, Small Regular, Small Short, XL, XL Long, XL Regular, XL Short


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9 reviews for USAF Extreme Cold Weather Parka, N-3B

  1. Hickerbilly (verified owner)

    Mine came in today I don’t believe this parka was ever issued! Even the insides of the pockets showed nothing clean as a whistle!! The jacket even had thread ends just laying on it wish I had more money I would buy a few more!!!

  2. Chase DeCroo (verified owner)

    Used? More like brand new with tag!

    • Jeff Radspinner

      the “used” have some super light fading on the backs of them. You have to look really closely to see it. I don’t think the jackets in this batch have ever been used before though.

  3. Jeff long (verified owner)

    Package arrived today on time and the contents is as advertised

  4. Donald Mantha Jr (verified owner)

    I bought this used and it’s more like NEW. I think it was issued once all i found was a pair of packaged ear protection foam plugs in a pocket. Nothing wrong with this parka…it’s perfect.!!!!!

  5. carlos

    Mine came in today…Excellent delivery time…ordered on a Sunday night, arrived on Thursday morning…As previously mentioned by other reviews I don’t believe this parka was ever issued. In my opinion it’s in pristine condition all the way around…Well packaged…I plan to purchase another shortly.

  6. Richard Lempitski (verified owner)

    Exactly like the one I had issued in 1978 Galena Alaska. No way does this look used at all! I’m 5’11” 185 lb. and the medium fits great! Very pleased with this purchase! Ordered on Sunday, arrived on Friday with free shipping. Great doing business with these guys, I’ll buy from them again for sure.

  7. Carl (verified owner)

    Bought one of these used in size medium. I usually wear a large, but the medium fits me perfectly. I used to wear one while in the USAF, 1979-83. This one is better than that one. Very pleased in every respect.

  8. Max (verified owner)

    Received a medium on sale within only a few days of ordering and am very impressed. Looks new, quality construction with practical cold-weather features, and made in USA. I will buy another if ever offered in L or XL.

  9. Umar Mayet (verified owner)

    I’m greatly impressed with the quality of the jacket. Im from South Africa, so I had a friend bring it over for me. I thought it was brand new when it arrived! Here in South Africa the winter is very cold,windy and dry, So this keeps me extremely warm. I’m 5’10 and weigh about 220 pounds. I bought the medium because heavy layering isn’t neccesary for my situation and it fits perfectly if I’m wearing my normal clothes under which is a thermal best and tshirt. I would like to thank venture surplus for the exceptional quality and this experience has made me a customer for life.

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US Military clothing in general runs in BDU sizing. If you are unsure about your proper size for clothing this chart will help you find your general size across all clothing, unless otherwise noted in the description.

XSR29-3267-7124 1/4
SS33-3663-6723 3/4
SR33-3667-7124 3/4
SL33-3671-7525 3/4
MS37-4063-6724 1/4
MR37-4067-7125 1/4
ML37-4071-7526 1/4
LS41-4463-6724 3/4
LR41-4467-7125 3/4
LL41-4471-7526 3/4
XLR45-4867-7126 1/4
XLL45-4871-7527 1/4
XXLR49-5267-7126 3/4
XXLL49-5271-7527 3/4
3XLR53-5667-7127 1/4
3XLL53-5671-7528 1/4
4XLR57-6067-7127 3/4

XSR23-2729 1/2 - 32 1/2
SS27-3126 1/2 - 29 1/2
SR27-3129 1/2 - 32 1/2
SL27-3132 1/2 - 35 1/2
MS31-3526 1/2 - 29 1/2
MR31-3529 1/2 - 32 1/2
ML31-3532 1/2 - 35 1/2
LS35-3926 1/2 - 29 1/2
LR35-3929 1/2 - 32 1/2
LL35-3932 1/2 - 35 1/2
XLR39-4329 1/2 - 32 1/2
XLL39-4332 1/2 - 35 1/2
XXLR43-4729 1/2 - 32 1/2
XXLL43-4732 1/2 - 35 1/2
3XLR47-5129 1/2 - 32 1/2
3XLL47-5132 1/2 - 35 1/2
4XLR51-5529 1/2 - 32 1/2

Customer Product Questions and Answers

    I'm 5'11" and 215 lbs. I wear a suit jacket b/w size 44-46 b/c I'm wide in the shoulders. Is a medium the right size?
  1. 0 votes
    Q I'm 5'11" and 215 lbs. I wear a suit jacket b/w size 44-46 b/c I'm wide in the shoulders. Is a me...... Read more answer now
    Asked by Lee on October 4, 2022 10:54 am

    You would need a large. Medium would be a snug fit.

  2. Hello. Is Small really the same chest size as medium? You listed 48" For both sizes.
  3. 0 votes
    Q Hello. Is Small really the same chest size as medium? You listed 48" For both sizes. answer now
    Asked by KJ on December 20, 2021 8:48 am

    yes, the chest size is the same on the small and medium parka. The difference between small and medium is the length of the parka and sleeve length.

  4. I’m 6’5 230 lbs is a large big enough to wear with sweatshirts
  5. 0 votes
    Q I’m 6’5 230 lbs is a large big enough to wear with sweatshirts answer now
    Asked by Tyrone Lenox on October 19, 2021 8:00 pm

    The chest size (54") should fit just fine over a sweatshirt but the length will probably be an issue especially on the sleeves :(