{"product_id":"1950年代半-テストサンプル品-推定l-x-large-アメリカ空軍-b-15d-フライトジャケット-experimental-test-sample-状態良い","title":"Mid-1950s Test Sample—Estimated Size L or X-LARGE—U.S. Air Force B-15D Flight Jacket—Experimental Test Sample—Good Condition","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThis is a B-15D flight jacket labeled \u0026ldquo;Experimental Test Sample\u0026rdquo;\u0026mdash;a model that rarely appears on the market, even within the history of U.S. Air Force flight jackets. It is a large size, estimated to be approximately L to XL. Another notable feature is that it is surprisingly lightweight\u0026mdash;not as heavy as it looks.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eThis item is an extremely rare test model with a tag clearly marked \u0026ldquo;EXPERIMENTAL TEST SAMPLE \/ AERO MEDICAL LABORATORY.\u0026rdquo;The Aero Medical Laboratory was an institution dedicated to researching and testing Air Force pilots\u0026rsquo; gear, cold-weather performance, and comfort during wear; flight suits were subjected to repeated testing by combat units and research institutions prior to official adoption. These jackets were prioritized for distribution to Air Force test pilots and ace pilots to evaluate their effectiveness.\u003c\/p\u003e\n\u003cp\u003eThe B-15 series was adopted as the U.S. Air Force\u0026rsquo;s flagship flight jacket from the end of World War II onward. \u003cstrong\u003eAfter undergoing improvements from the B-15C to the B-15D,\u003c\/strong\u003e it \u003cstrong\u003eeventually evolved into the MA-1\u003c\/strong\u003e, \u003cstrong\u003ewhich is often considered the definitive form of the nylon flight jacket\u003c\/strong\u003e.This item is a highly significant artifact from that transitional period; it is a specimen that was manufactured and tested in preparation for the completion of the B-15D, the final model in the B-15 series.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003eIts most notable feature is the details that differ from the officially adopted model.\u003c\/p\u003e\n\u003cp\u003eWhile most B-15D jackets feature CROWN zippers, \u003cstrong\u003ethis\u003c\/strong\u003e item is equipped \u003cstrong\u003ewith a TALON main zipper\u003c\/strong\u003e\u0026mdash;an exceptionally sturdy zipper. This specification change is a fascinating indication that materials and components from multiple manufacturers were compared and evaluated during the testing phase.These characteristics, unique to a test sample, further enhance its value as a collector\u0026rsquo;s item.\u003c\/p\u003e\n\u003cp\u003eA leather name tag remains on the chest; although it shows some signs of deterioration due to age, it strongly preserves the atmosphere of the era. Details such as the shearling collar, cigarette pocket, and pen holder\u0026mdash;which were later carried over to the B-15D\u0026mdash;are also evident, allowing you to fully appreciate the unique charm of a prototype.\u003c\/p\u003e\n\u003cp\u003eWhile there are signs of wear and light discoloration from age throughout the jacket, the fabric retains sufficient body, and the ribbing is in relatively good condition. The lining shows no major damage, and the zipper operates smoothly. Considering its unique nature as a test sample, it is in exceptionally good condition.\u003c\/p\u003e\n\u003cp\u003eAlthough the size is not indicated on the tag, based on actual measurements, it is estimated \u003cstrong\u003eto\u003c\/strong\u003e be \u003cstrong\u003eequivalent to\u003c\/strong\u003e LARGE \u003cstrong\u003eto XL\u003c\/strong\u003e. Its generous fit, which makes it easy to wear even today, is another appealing feature.\u003c\/p\u003e\n\u003cp\u003eWhile even officially adopted models are becoming increasingly difficult to find, \u003cstrong\u003eExperimental Test Samples\u003c\/strong\u003e are extremely rare on the market, making them in a class of their own in terms of both historical significance and rarity. This collector\u0026rsquo;s piece possesses museum-quality historical value, chronicling the evolution of U.S. Air Force flight jackets from the B-15 to the MA-1.\u003c\/p\u003e\n\u003cp\u003eThis is our first shipment of an Experimental Test Sample in a very long time. Don\u0026rsquo;t miss out!\u003c\/p\u003e\n\u003cp\u003ePlease note that since this is a used item, returns are not accepted.\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize (measured flat)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShoulder width: 47 cm\u003c\/p\u003e\n\u003cp\u003eChest Width: 62 cm\u003c\/p\u003e\n\u003cp\u003eLength: 63 cm\u003c\/p\u003e\n\u003cp\u003eSleeve Length: 67 cm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MILITARIA 1911 ","offers":[{"title":"Default Title","offer_id":48467008979185,"sku":"FLY-60-145","price":40000.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/8241\/6881\/files\/IMG_0143_06e1c9b3-8e85-4d07-ac4a-86f6470e68c3.jpg?v=1785646242","url":"https:\/\/chinamilitaria1911.com\/en\/products\/mid-1950s-test-sample-estimated-size-l-x-large-u-s-air-force-b-15d-flight-jacket-experimental-test-sample-good-condition","provider":"MILITARIA 1911 ","version":"1.0","type":"link"}