Navy blazers, tweeds and checks — the four jacket measurements, canvassing and why this is auction buying's best tailoring value
Blazers and sports coats are where eBay most clearly beats the high street: a jacket is expensive to make, lightly worn by most owners, and sized by measurements a listing can state exactly. Sellers offer navy blazers in every cloth, tweed and checked sports coats, and summer jackets in linen and cotton. This guide sets out the four measurements that decide a jacket's fit, what canvassing and lapel construction say about quality, and the lining and button checks that complete a remote tailoring purchase.
The draw of the auction format in this category is choice at every price: current pieces, discontinued lines and vintage finds sit side by side. Work through the item notes, the fit and fabric checks and the bidding tactics in turn and the category becomes easy to shop.

A blazer is a long-term garment in any channel. The Apparel Search Amazon clothing guide collects the Amazon men's tailoring departments at set prices — the benchmark that shows how far an auction jacket's price really has fallen.
The men's blazers and sports coats listings on eBay typically cover navy blazers, metal-button and plain, tweed sports coats, checked and patterned country jackets, linen and cotton summer jackets, velvet and evening jackets in the same listings and designer and heritage-maker tailoring. Sellers range from individuals clearing a wardrobe to specialist dealers and outlet accounts, so condition, photography and description depth vary a great deal from one listing to the next. Wardrobe classics dominate supply — the navy blazer is probably the single most listed tailored garment on the marketplace, in every size and cloth weight. Start a search broad, then narrow by size, color and condition filters; saved searches with email alerts catch the short auctions that end before a casual browser ever sees them.
Seller wording is inconsistent, so run several searches rather than one: "navy blazer"; "tweed sports coat"; "checked jacket"; "linen blazer men". Misspellings and vague titles are where the quiet bargains hide, because fewer bidders find those listings. Add your chest size as a number-word pair ('40R blazer') — tailoring sellers title by size more faithfully than any other clothing sellers. Sort by ending soonest to catch neglected auctions, and by price plus postage to compare the true delivered cost — a low bid price with high shipping is rarely the cheapest route to the garment.
Fit first: four measurements decide a jacket: chest, shoulder width, sleeve length and back length; of these only sleeve and, within limits, length alter easily, so buy shoulders and chest exactly right. Auction listings cannot be tried on, so the measurements in the description — taken flat, in inches or centimetres — are the only reliable guide, and a seller who lists none is worth a message before bidding. On materials, expect wool hopsack and flannel blazers, tweed in lambswool and blends, linen and cotton summer cloth and corduroy and moleskin country jackets. A canvassed chest shapes to the wearer where a fused front stays board-flat; listings that show the lapel rolling gracefully are displaying construction, whether the seller names it or not.
Condition decides value in this category more than age does. Lining tears at the armpit, shiny seat-of-the-pants wear translated to elbows, and moth nicks in tweed are the flaws to hunt — all three hide in ordinary listing photographs unless you zoom. Study the photographs at full size, read the returns policy, and check the seller's feedback for the pattern that matters — accurate descriptions — rather than the headline score alone. A garment described as new with tags should still show the tags in a photograph; if it does not, ask.
Timing shapes price here. Tweed and flannel list into autumn, linen blazers through spring, and the year-round navy blazer cheapens whenever offices clear wardrobes in January. Quality tailoring is barely consumed by wear, so a decade-old canvassed jacket can be the best-made garment in a modern wardrobe at a tenth of its making cost. Set a maximum that includes postage, bid it once, and let the automatic bidding work — chasing an auction past your ceiling is how bargains turn into overpayments. Do not buy a jacket on chest size alone — shoulders an inch wide cannot be tailored in, and an inch narrow cannot be let out.
Measurements and condition. four measurements decide a jacket: chest, shoulder width, sleeve length and back length; of these only sleeve and, within limits, length alter easily, so buy shoulders and chest exactly right. Then confirm the fabric content and read the seller's returns policy before bidding.
Try several seller wordings — navy blazer, tweed sports coat, checked jacket — and save the searches so short or mis-titled auctions are caught before they end.
Tweed and flannel list into autumn, linen blazers through spring, and the year-round navy blazer cheapens whenever offices clear wardrobes in January. Bidding on off-peak endings and setting a firm maximum that includes postage keeps the delivered price down.