Clothing fabrics range from fine cotton shirting and sheer silk to dense denim and brushed sweatshirt fleece. Their names describe different parts of the material: the fibers used, the arrangement of the yarns and the finish applied to the surface. A cotton twill flannel, for example, combines a fiber description with a woven structure and a raised finish.
Cotton Jersey, Rib and Interlock
A jersey T-shirt stretches partly through movement within its knitted loops. The small V-shaped stitches visible on the face have curved tops that become prominent on the reverse. Pulling the cloth changes the shape of those loops, giving a cotton knit some extension through its construction. At the neckline, a rib band introduces columns of face and reverse stitches that spread apart across the width as the opening expands.
Rib construction also provides the basis for interlock. Two 1×1 rib structures are intermeshed, restricting movement between adjacent stitch columns and producing similar-looking surfaces on both sides. Within an individual rib structure, 1×1 describes alternating single columns of face and reverse stitches; 2×2 groups the columns in pairs. Stretching a rib swatch exposes the reverse columns tucked behind the raised face stitches. The width changes as those columns move, then the structure closes again as tension is released, with the extent of recovery depending on the yarn and fabric construction.
Poplin, Oxford and Twill
Thomas Mason’s Warwick shirting is described as 100% cotton twill flannel, with a published yarn count of 80/2–40/1. The description identifies several features of one cloth. Cotton supplies the fiber, twill creates the diagonal woven pattern, and the flannel finish gives the surface its raised nap. The yarn-count entry describes the yarns used to make it.
Poplin and Oxford appear elsewhere in shirting collections, with their structure recorded independently of any brushing or other finishing. Poplin is closely woven, with densely packed warp yarns running along the length of the cloth. A common Oxford construction groups two warp yarns together as they cross individual weft yarns, producing a small basket pattern. Finer yarns can make that pattern less pronounced, as in pinpoint Oxford.
Weave notation describes the crossing sequence. In a 3/1 warp-faced twill, a warp yarn passes over three weft yarns and under the next. Moving that crossing point along neighboring yarns establishes the diagonal line. The direction of the line identifies a right-hand or left-hand twill.
How Sweatshirt Fleece Gets Its Texture
The yarn that becomes a sweatshirt’s brushed interior is positioned during knitting. Three-end fleece contains a face yarn, a binding yarn and a backing yarn. French terry retains visible loops or floats on the inside of the fabric.
Raising takes place after the cloth has been knitted. Rotating rollers fitted with fine wire points lift fibers from the backing yarns, gradually developing the fuzzy surface. The mill controls the contact between the rollers and fabric to produce the required pile. Shearing can follow: spiral cutting blades pass a stationary blade and trim the protruding fibers across the width of the cloth.
Denim After Washing
A denim shade blanket contains identified pieces from several fabric rolls, sewn together and processed through the intended garment wash. The resulting swatches show how each roll develops under the same treatment. They can then be sorted into shade groups, keeping the washed result connected to the roll from which it came.
The color differences originate partly in yarn dyeing. During indigo rope dyeing, bundles of warp yarn pass through successive dye baths and through the air between dips. Oxidation develops the blue color, building dye around the yarn’s exterior. Abrasion during garment finishing exposes lighter material beneath that surface.
Texture has a separate origin in the spinning specification. Deliberately thickened portions of yarn, called slubs, create irregular streaks across the woven panel. Their length and spacing can be controlled during spinning. Slub yarns used in both fabric directions produce a crosshatched effect that remains visible through washing.
Linen Through Washing and Wear
For a linen shirt suitable for home laundering, the Alliance for European Flax-Linen and Hemp recommends a gentle cycle at a maximum of 30°C, subject to the garment’s care label. The complete garment determines the care method, including its lining and other components. Linen can be pressed slightly damp, with moisture helping the iron smooth the cloth. Its handle continues to develop over repeated laundering: the fabric gradually becomes softer and more flexible, changing the feel of a shirt through successive washes.
Viscose, Modal and Lyocell
TENCEL lyocell and TENCEL modal identify different fibers within Lenzing’s TENCEL brand. The brand also includes lyocell filament. On a fabric description, the accompanying fiber name establishes which material is present.
Viscose, modal and lyocell belong to the manufactured cellulosic family. Their raw material commonly comes from wood pulp, processed into a solution and regenerated into textile fibers. Viscose can be produced as continuous filament, including yarns used for garment linings. Modal is made through a modified viscose process that increases wet strength and resistance to extension when wet.
For lyocell, cellulose is dissolved directly in a solvent. The solution passes through spinneret openings into water, and the solvent is recovered for reuse. This production route produces fibers that retain substantial strength in the wet state.
Further variation occurs within lyocell itself. Under certain processing conditions, very fine fibrils form along the fiber surface. Controlled fibrillation gives finishing mills a way to develop a softly fibrous appearance. Non-fibrillating versions are also available, so the chosen lyocell fiber and finishing treatment jointly determine the surface of the cloth.
Silk Dress Fabrics
Crepe-backed silk satin gives the cutting room a choice of visible surfaces. Its satin face reflects light, and its reverse has a crepe texture. Beckford Silk lists this fabric for flowing tops, eveningwear and lingerie. In a design using a turned-back cuff or exposed facing, the reverse can become part of the exterior; identifying the intended face on each pattern piece keeps that surface placement consistent.
Transparency introduces another construction decision. Silk chiffon is woven from fine, high-twist yarns into a sheer plain weave. A single layer across a sleeve allows the material underneath to remain visible. At the cuff, gathering brings several layers together, making the color appear denser. Seam allowances also occupy overlapping layers, so their width and position contribute to the appearance of the finished sleeve. These are practical consequences of chiffon’s transparency, which suppliers also use for floating overlays in eveningwear.
Wool Fiber Diameter and Yarn Structure
A specification of 18.5 microns concerns the diameter of the wool fibers. One micron is one millionth of a meter. Fine fibers bend readily against the skin, contributing to the feel of next-to-skin clothing. Woolmark places fibers below approximately 19.5 microns among those commonly used for base layers, underwear and fine knitwear.
A sweater yarn may contain other fibers alongside wool. Acrylic, for example, has a soft, high-loft character and is widely used in knitted apparel. In a wool-acrylic blend, the composition records the amount of each fiber; any micron specification for the wool describes that component of the mixture. The yarn’s full composition remains relevant to the finished fabric.
Yarn preparation determines how those fibers are arranged. Worsted processing includes combing to remove short fibers and align the remaining material before spinning, producing yarns for relatively smooth cloth. Woollen processing retains a fuller arrangement and commonly uses shorter fibers. The spaces within the yarn, together with wool’s natural crimp, contribute to the bulk of substantial sweaters and woven winter fabrics.
Polyester in Printed Clothing
On a white polyester jersey, a blue dye-sublimated panel can surround a white number formed by an unprinted area. The white comes from the fabric ground. The blue artwork is first printed onto transfer paper and transferred into the polyester using heat, establishing the number’s edge where the colored area ends. Epson specifies white or light-colored polyester for obtaining the intended print colors. In this example, changing the cloth’s ground color also changes the number, because that area continues to show the original fabric.
Nylon Shell Fabrics
A nylon shell specification can identify the yarn, woven construction and any coating or laminate applied to the cloth. CORDURA Classic provides a documented example: its base material uses high-tenacity, air-jet-textured nylon 6.6 filament yarns, with a published range from 330D to 1,000D. The manufacturer offers finished, coated and laminated versions within that family.
The D denotes denier, a measure of yarn linear density expressed as grams per 9,000 meters. A 500D entry describes the yarn at that specified linear density. Fabric weight is measured after the yarns have been woven, with coatings or bonded layers contributing to the finished material’s mass. For a coated version, the woven nylon face and the applied layer form the complete shell material whose performance is assessed.
Elastane, Stretch and Recovery
Elastane supplies elastic extension and recovery when incorporated into knitted or woven fabrics. Spandex is another name for the same fiber category, and LYCRA is a brand of elastane. The percentage in a composition describes the fiber mixture by mass. Fabric stretch and the growth remaining after release are measured separately under defined conditions.
The following figures are a simplified arithmetic example for one fabric direction. A laboratory procedure would specify the applied load or extension, hold time and recovery interval.
| Measurement stage | Distance between marks | Change relative to the original 20 cm |
|---|---|---|
| Before stretching | 20 cm | Reference length |
| Under the selected load | 28 cm | 40% extension |
| After release, at the selected recovery time | 21 cm | 5% remaining growth |
Reading Fabric Weight and Width
GSM expresses fabric mass in grams per square meter. A construction can be produced at several weights: Cotton Incorporated’s digital library includes French terry at 230, 245 and 330 GSM, together with fleece at 245, 280 and 360 GSM. Each figure belongs to an individual fabric reference.
Silk suppliers also use momme. Beckford Silk publishes both momme and GSM for the examples below, together with the supplied width.
| Published silk fabric | Momme | Approximate GSM | Listed width |
|---|---|---|---|
| Silk chiffon, Duck Egg | 5.5 | 24 | 114 cm |
| Silk organza, Black | 5.5 | 24 | 137 cm |
| Medium crepe-backed satin, Pale Cream | 16 | 69 | 114 cm |
| Silk duchess satin, Ivory/Natural White | 26.5 | 113 | 137 cm |
These are the supplier’s specifications for the identified fabrics.
The 24-GSM organza has a crisp handle and is used beneath other silks to add body to skirts. Its low mass accommodates a supporting layer within a dress. The duchess satin has a tightly woven structure with sufficient body for shaped skirts, corsets and structured tops.
For cutting, the usable width is the span available for arranging pattern pieces. A development record should identify that measurement after the intended finishing treatment. Compaction, for example, changes the arrangement of yarns and loops, shortening the cloth and increasing its mass per unit area. Recording the finished condition keeps the weight and width attached to the material that reaches the cutting table.
Wash Measurements and the Cutting Pattern
Before adjusting a pattern for wash shrinkage, establish the treatment that the garment will receive and measure the selected material under those conditions. Fabric construction, processing tension and finishing affect dimensional change. Sewing introduces further interactions between the main cloth and components such as rib, so the garment sample provides information beyond the fabric swatch.
During sample development, mark the measurement points before washing and use the same points after the specified wash, drying and conditioning procedure. Record lengthwise and widthwise changes separately. The pattern adjustment follows the measured direction and the finished dimension required for that part of the garment. For a rib-trimmed T-shirt, retain the neck-opening measurement alongside body length and sleeve length, with the fabric references for the body and band identified on the sample record.