MAISON AMÉVIE — Glossary of Craft
MAISON AMÉVIE — TECHNICAL REFERENCE
This glossary defines the construction and material terminology used across the MAISON AMÉVIE collection and Technical Intelligence Series. It exists because precision in language reflects precision in craft. Terms used loosely in fashion marketing are defined here with exactness.
Canvas Construction
An internal structural layer — made from horsehair, linen, or technical interlining — sewn between the outer fabric and lining of a structured blazer or jacket. Canvas construction gives the garment its shape independently of the body wearing it. It holds the lapel roll, maintains shoulder structure under movement, and prevents the front panel from collapsing under its own weight. The alternative — fusible interlining, where a glued layer bonds the fabric — degrades after repeated washing and produces the characteristic "bubbling" of a structurally failing garment. Every MAISON AMÉVIE blazer uses structured internal canvas, not fusible bonding.
Crepe-Weave Architecture
A fabric construction technique in which yarns are twisted at high tension before weaving, producing a surface with controlled texture and exceptional dimensional stability. Crepe-weave fabrics resist stretching in the warp and weft direction simultaneously — meaning they hold their designed dimensions under body movement and repeated washing. For structured garments requiring a precise waist or hem line (such as the Isaline Midi Dress), crepe-weave construction is the technical prerequisite for silhouette integrity across a multi-year lifespan.
Dart Suppression
A tailoring technique in which triangular folds of fabric are sewn closed to remove material from a static zone of the body (typically the side seam between hip and waist), creating a defined waist line without gathering, pleating, or elastic. Dart suppression produces 3–5cm of visual waist reduction without restricting movement, because it removes fabric from zones that do not expand during normal motion. It is the primary mechanism by which a MAISON AMÉVIE dress achieves its defined waist — not elastication, which approximates structure, but precise fabric removal, which creates it.
Dimensional Stability
The capacity of a fabric to return to its original dimensions after washing, humidity exposure, and sustained load. Measured as a percentage: a fabric with 97% dimensional stability is 3% larger or smaller after equivalent stress cycles. High-density technical weaves (180–220 threads per square inch) typically achieve 94–97% dimensional stability. Loosely woven synthetics measure 71–82%. For garments designed around precise silhouette geometry — a defined waist, a specific hem length, a calibrated shoulder line — dimensional stability below 90% represents structural failure in slow motion.
Double-Breasted Integrity
The structural and aesthetic coherence of a double-breasted closure system under movement, repeated fastening, and the weight of its own construction. A double-breasted blazer places significant lateral tension across the chest panel when fastened — tension that must be absorbed by the canvas construction, not transferred to the outer fabric. Double-Breasted Integrity refers to the garment's ability to lie flat, maintain lapel position, and sustain button alignment across 200+ fastening cycles without warping the chest panel or allowing the lapel to roll outward. It is a function of canvas weight, button placement geometry, and the precise calibration of the front facing's cut.
Drape Coefficient
A quantitative measure of a fabric's ability to fall gracefully under gravity — to follow the body's contours without stiffness, while maintaining its designed line rather than collapsing. Measured on the Cusick Drape Tester (BS 5058), drape coefficient is expressed as a percentage: 0% is perfectly limp, 100% is perfectly rigid. The optimal range for structured luxury garments is 40–65%: fluid enough to move naturally, stiff enough to maintain the designed silhouette. Fabrics outside this range either look theatrical (too stiff) or shapeless (too limp). Drape coefficient is one of the primary selection criteria for all MAISON AMÉVIE fabric sourcing.
Fibroin Beta-Sheet Structure
The molecular architecture of Bombyx mori silk that gives it exceptional tensile strength combined with elongation — the ability to stretch slightly before returning to its original dimensions. Silk fibroin is a protein arranged in repeating beta-sheet crystalline formations, which produce a material with tensile strength of 500–700 MPa (comparable to low-grade steel wire at equivalent cross-section), moisture management of 11% regain, and the triangular prism filament geometry that creates silk's characteristic multi-angle light refraction. This structure cannot be replicated by polyester coating or surface treatments — it is a molecular property, not a finish.
Fusible Interlining
A thermally bonded structural layer used as a cost-efficient alternative to sewn canvas in garment construction. Fusible interlining is pressed onto the reverse of the outer fabric using heat and adhesive. It provides initial structure but degrades under washing (the adhesive bond weakens with each thermal stress cycle) and humidity (moisture penetrates the bond layer, causing delamination). The characteristic result — a bubbled, raised surface on the front panel of a blazer after 12–18 months of use — is the visible evidence of fusible failure. MAISON AMÉVIE does not use fusible interlining in structural garment zones.
Lapel Roll Line
The precise fold line along which a blazer's lapel turns from the chest panel outward. The roll line is not a straight crease — it is a gently curved break that follows the three-dimensional geometry of the chest. It is established during construction by the tailor's manipulation of the canvas chest piece, which is shaped and hand-padded to create the correct roll curve. Once set, the roll line should remain consistent across the life of the garment. A lapel that has "broken" — flattened, splayed, or rolled inconsistently — indicates that the canvas chest piece has either failed or was never present.
Momme Weight
The unit of measurement for silk fabric weight, equivalent to the weight in pounds of a silk piece measuring 45 inches wide by 100 yards long. For reference: 8 momme is sheer and delicate (suitable for scarves), 19 momme is substantial (suitable for structured blouses), 30 momme is heavy (suitable for upholstery-grade applications). MAISON AMÉVIE Architectural Silk Chiffon in the Nocturne Blouse is constructed at 8–12 momme for sheer overlay panels and 16–19 momme for structural underlayers. Below 8 momme, chiffon lacks sufficient weight for controlled drape. Above 22 momme, it loses the refractive quality that defines the garment's optical signature.
Seam Tension Coefficient
The ratio between thread tension at a sewn seam and the base fabric's tensile load capacity. A seam with a coefficient below 0.8 will fail before the fabric does — meaning the thread breaks under stress rather than the weave giving way. This produces seam separation: the visual gap at stress points (underarm, waist seam, seat) that signals structural failure in a garment. A seam tension coefficient above 0.95 means the seam and fabric fail at equivalent loads — ensuring that the garment maintains integrity under every stress condition short of the fabric itself tearing. MAISON AMÉVIE garments are assessed against a minimum seam tension coefficient of 0.92.
Shoulder-to-Waist Authority Ratio
The relationship between the perceived width of the shoulder line and the perceived narrowness of the waist in a structured garment. Evolutionary psychology research (Sell et al., 2009) establishes that observers assess social authority and competence within 200 milliseconds of visual contact, and that the shoulder-to-waist ratio is among the primary inputs to this assessment. An SWR of 1.4:1 to 1.6:1 produces peak authority perception in professional and formal contexts. Structured garments that extend the perceived shoulder line (through canvas padding and seam placement) while simultaneously defining the waist (through dart suppression and button geometry) recalibrate the wearer's projected SWR upward into the authority-optimal range.
Sleeve Head Volume
The quantity of ease (additional fabric) built into the curved top of a sleeve where it attaches to the shoulder seam. A sleeve head with 1.5–2.5cm of suppressed ease maintains shoulder width under arm movement — the additional fabric absorbs the sleeve's displacement as the arm raises, preventing the shoulder seam from being pulled forward and collapsing the shoulder line. A flat-set sleeve with minimal ease creates a clean line at rest but destroys the shoulder silhouette under movement. For garments designed to project authority across the full range of daily motion, sleeve head volume is a non-negotiable construction requirement.
Structural Fabric Memory
The property of a fabric that allows it to return to its designed dimensions and surface texture after deformation — under sitting, folding, packing, or washing. Structural Fabric Memory is a function of fibre elasticity, twist per inch, weave density, and the relationship between warp and weft thread tensions. Fabrics with strong structural memory "recover" from compression and extension without permanent creasing or dimensional drift. High-density technical weaves at 180–220 threads per square inch demonstrate structural memory across 200+ wash cycles. Low-twist synthetic fabrics begin losing structural memory after 30–40 cycles, resulting in permanent deformation of the designed silhouette — seams that no longer lie flat, waists that no longer define, hems that no longer fall at the designed point.
Thread Density Standard
The number of warp and weft threads per square inch in a woven fabric, expressed as thread count. Thread density determines the fabric's structural integrity under mechanical stress: at 180–220 threads per square inch, the weave matrix locks individual fibres in position, distributing friction and tensile load across the full fabric rather than concentrating stress on individual exposed filaments. Below 120 threads per square inch, fibres are insufficiently supported and begin to pill, separate, and abrade under regular wear. MAISON AMÉVIE uses 180–220 TPI as the minimum acceptable specification for all structural garment fabrics — not as a marketing figure, but as the threshold below which dimensional stability and surface integrity cannot be guaranteed across a multi-year lifespan.
Weighted Descent
The behaviour of a fabric skirt or hem that falls under its own mass in a controlled, deliberate arc — neither floating (too light) nor dropping in a straight, lifeless column (too heavy). Weighted Descent is the quality that gives the Isaline Midi Dress its specific visual authority: the skirt falls from the structured waist in a fluid, unhurried line that implies both the fabric's weight and its precision of cut. It is achieved through the combination of crepe-weave construction (which adds inherent weight to the fabric structure), bias-influenced cut at the hip (which allows the fabric to follow the body's curve before releasing into a straight descent), and hem weighting (additional thread or weighted tape at the hem that anchors the fall line against body movement).
This glossary is maintained by the MAISON AMÉVIE atelier. Definitions are updated to reflect current construction practice and textile science. For questions about specific construction choices in any garment, contact us at shop@maisonamevie.com. For the full Technical Intelligence Series, visit the Journal.