B3 Bomber Aviator Shearling Leather Jacket
The B3 Bomber Aviator Shearling Leather Jacket is a specialist garment, and it is worth being clear about that up front. It is not a general-purpose leather jacket that happens to be warm — it is the warmest jacket construction in ordinary use, and that comes with real consequences for weight, bulk and when you can actually wear it.
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Material: Genuine shearling sheepskin
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Fit: Regular fit, generous by design
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Closure: Front zip with throat straps
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Color: Brown with natural wool
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Care: Brush the wool, wipe the hide, specialist cleaning only
When a B3 is the right jacket
Below about five degrees, in wind, standing still or moving slowly — waiting for transport, walking the dog, watching something outdoors. That is where nothing else comes close. Above that, most people find it too warm, and it is genuinely too bulky for driving or crowded indoor spaces.
If you want one jacket for a whole winter across all conditions, a lined leather jacket is the more practical answer. If you want the warmest thing available for genuinely cold days, this is it.
Why the construction works
Shearling is one sheepskin tanned with the fleece attached: hide outward to block wind, wool inward to trap air, no seam between them. Layered jackets always have a boundary between shell and insulation, and that boundary is where cold gets through. Shearling has none.
Wool also keeps insulating when slightly damp, unlike down, which makes it a better choice in wet-cold climates than in dry alpine ones.
Fit, wear and honest notes
Take your normal size — the pattern already accounts for fleece thickness. Throat straps close the collar against wind or unbuckle so it folds back.
Honest points: it is heavy, it is bulky, and both are the warmth. It is a reproduction-style fashion jacket rather than military surplus, with no genuine service insignia. It does not handle heavy rain. And it needs a specialist sheepskin cleaner — a standard dry cleaner can ruin it permanently.
Made to order, XS to 5XL and custom
Made after you order in XS to 5XL, plus Custom — chest, shoulder, sleeve and back length. On a jacket at this price, sending accurate measurements is worth the two minutes. Free shipping, secure checkout, and honest pricing on genuine sheepskin.
Shop Related Styles at Leather Outlet
Related: B3 Leather Bomber Jackets for black and hooded versions, Shearling Jackets for the wider range, Flight Jackets for lighter leather aviators, and Men Leather Jackets for everything else. Browse at Leather Outlet.
Frequently Asked Questions
When is a B3 too warm?
Most owners find it overheats above about five degrees. It is a genuinely cold-weather jacket.
Is this real shearling?
Yes — genuine sheepskin tanned with the wool attached, not synthetic pile.
Is it military surplus?
No. It is a reproduction-style fashion jacket with no service insignia or issue history.
Is it practical for driving?
Not especially — it is bulky. Most people take it off in a car.
How should it be cleaned?
Brush the wool, wipe the hide, and use a specialist sheepskin cleaner. Never a standard dry cleaner.
Should I size up?
No. The pattern already allows for the fleece thickness.
Do you offer custom sizing?
Yes — XS to 5XL plus Custom to your own measurements.
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