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Compared to a standard slim fit (e.g., Stockholm fit), which hugs the waist and has narrow sleeves, the London fit is slightly roomier in the sleeves and less tapered [9]. Compared to a regular fit (e.g., Berlin fit), which offers ease of movement with a straighter silhouette, the London fit is more shaped through the waist [11]. Exact shoulder width and chest measurements for the same tagged size are not published, but the London fit sits between slim and regular in overall silhouette.","q":"How does the London fit (semi-slim) compare to a standard slim fit or regular fit in terms of shoulder width and chest measurement for the same tagged size?"},{"a":"The product description does not specify the lining material for this jacket, but a similar Le 31 jacket (Stretch responsible wool jacket Stockholm fit) uses a 'Fine satiny polyester lining made from recycled plastic bottles' [1]. Given the construction similarity, this jacket likely uses a comparable polyester lining. Polyester linings are less breathable than natural fibers like cupro or silk, but they are durable and help the jacket slide on easily.","q":"What material is the lining made of? Is it breathable like cupro or synthetic polyester?"},{"a":"The product description does not specify the button count or lapel style. However, other Le 31 jackets with a similar construction (e.g., the Stretch responsible wool jacket) feature a notched lapel [1], and most Le 31 suit jackets have a 2-button closure. We recommend checking product images for confirmation.","q":"Does this jacket have a 2-button or 3-button closure? And what is the lapel style (notch or peak)?"}],"reviews":[{"date":"January 25, 2026","title":"Nice suit","rating":5,"content":"Beautiful suit. Good quality","reviewer_name":"Amy T."},{"date":"January 18, 2026","title":"Classic casual jacket","rating":5,"content":"Great colour (a brighter, more sporty blue than navy), superb fit","reviewer_name":"Peter G."}],"target_countries":"US","canonical_url":"https://www.simons.ca/en/men-clothing/suits/suit-separates/essential-wool-blend-suit-jacket-london-fit-semi-slim--12016-219224?colourId=42","deep_research":{"dimensions":{"le31_brand_insights":{"title":"What the Le 31 brand stands for","entries":{"exclusive_house_label":"As a Simons in-house brand, Le 31 bypasses the licensing fees that inflate the cost of national brands, meaning the $350 CAD price is channeled more directly into the garment's European fabric and construction — a value proposition that is often invisible on a standard department store rack.","designed_in_canada_dna":"The 'designed in Canada' tag indicates that the London fit's semi-slim silhouette and regular sleeves were developed by Simons' internal team for the Canadian market, rather than being an off-the-shelf pattern from an OEM — so the cut reflects an understanding of local body types and preferences, not a universal template.","recycled_polyester_as_brand_language":"By explicitly calling out that the polyester component is 'made from recycled plastic bottles' in the core product description, Le 31 embeds an eco-narrative without separate sustainability branding — a pragmatic, product-led approach that makes the material story part of the purchase decision rather than a marketing add-on."}},"competitive_value_350":{"title":"How it stacks up against $350 alternatives","entries":{"piped_flap_pockets":"Piped flap pockets — where the flap top is finished with a clean piping — are a tailoring refinement often omitted on budget suits in favor of plain patch or jetted pockets, so their appearance here elevates the jacket's perceived quality above its $350 CAD sticker.","house_brand_direct_value":"As a private label from Canadian retailer Simons, Le 31 eliminates distributor and wholesale markups, enabling a $350 price for a jacket with side vents and recycled-blend fabric — specifications that typically push third-party retail prices past $450 under labels like Ted Baker.","side_vents_vs_single_vent":"The inclusion of side vents, a detail associated with higher-end tailoring, allows the jacket back to drape cleanly and facilitates easy pocket access, setting it apart from many $350-or-less competitors like Banana Republic's standard suits that default to a single center vent.","suit_separates_flexibility":"The matching pant (12016-219278) and vest (12016-219235) are sold individually, so a buyer who requires a different jacket and pant size — common for athletic or slim builds — can buy off-the-rack rather than paying for made-to-measure, a convenience that many department-store suiting labels do not offer at this price.","multi_length_size_run_short_long":"The jacket is offered in short and long sizes alongside regular (42-SHORT, 44-LONG, etc.), a grading option that at $350 CAD is typically reserved for dedicated suit makers like Spier & Mackay, sparing buyers from $100+ tailoring costs on sleeve and body length — a rarity in mass-market fashion jackets that only come in regular.","london_fit_semi_slim_with_regular_sleeves":"The semi-slim cut narrows at the waist but keeps the sleeves regular, mitigating the restrictive arm movement and sleeve-tapering alterations needed on overly aggressive slim fits like J.Crew's Ludlow, while still providing a defined silhouette that avoids the boxiness of classic-fit jackets from the same price bracket.","wool_polyester_blend_with_recycled_content":"The fabric's recycled-polyester content (from plastic bottles) gives the jacket wrinkle resistance and stretch, making it more travel-friendly and low-maintenance than a 100% wool jacket at the same price, while also reducing virgin plastic use."}}}},"handle":"essential-wool-blend-suit-jacket-london-fit-semi-slim-12016-219224","storefront_path":"/en/men-clothing/suits/suit-separates/essential-wool-blend-suit-jacket-london-fit-semi-slim--12016-219224","storefront_url":"https://ai.simons.ca/en/men-clothing/suits/suit-separates/essential-wool-blend-suit-jacket-london-fit-semi-slim--12016-219224"}}