What Is Modal Fabric?
Modal is a regenerated cellulose fiber made from beech wood — a second-generation viscose engineered to be softer, stronger when wet and more shrink-resistant than the original. If you have ever owned underwear or a tee that stayed buttery-soft through a hundred washes, there is a good chance it was modal.
Where standard viscose shines in flowy wovens, modal lives mostly in knits: its extra wet strength survives machine washing, and its hand is genuinely softer than cotton.
How modal is made
The process is the viscose process refined: beech pulp is dissolved and spun under conditions that produce a finer, more uniform fiber. That uniformity is where the signature softness and the gentle sheen come from — and why modal pills less and holds its shape better than standard viscose. Lenzing's version, sold as TENCEL Modal, adds certified sourcing.
What modal feels like
Softer than cotton — noticeably — with a smooth, almost cool surface and a gentle drape. It absorbs moisture well, resists shrinking, and keeps its color deep through repeated washing. It is not a structured fiber: modal wants to fall close to the body, which is exactly what its main uses ask of it.
What to sew with modal
- Underwear and camis — the classic use
- Tees and drapey basics in modal jersey
- Loungewear, sleepwear and robes
- Baby clothes, where softness earns its keep
Modal knits sew like fine cotton jersey: ballpoint or stretch needle, a stretch or narrow zigzag stitch, and a light touch so seams do not wave.
Types of modal
Standard modal is already a step up from viscose; TENCEL Modal is Lenzing's certified line with documented beech sourcing; MicroModal is spun finer still for the silkiest underwear-grade knits. Nearly all of it reaches you as jersey or blended knits — modal wovens exist but are rare.
Modal vs. cotton
Cotton is crisper, more matte and more structured; modal is softer, drapier and holds dye deeper. Cotton fuzzes and fades gradually; modal stays smooth but is less hard-wearing in rough use. For garments worn against skin — underwear, sleepwear, tees — modal usually wins comfort. For anything structured or heavy-duty, cotton keeps the edge. Blends of the two are common for exactly that reason.
Modal and the environment
Modal's story sits between viscose and lyocell: beech forests regenerate largely on their own with little irrigation, Lenzing's certified lines document their wood sources and chemistry, and the fiber biodegrades. Conventional modal from uncertified mills carries the same chemistry questions as conventional viscose — as with its siblings, the certificate is the fact that matters.
How to care for modal
Machine wash cool to warm on a normal cycle — modal tolerates home laundering better than viscose — and tumble low or hang. It resists shrinking and wrinkling, so it is close to wash-and-wear. High heat is the one enemy: it can weaken the fiber and dull the surface over time.
Modal, measured
What modal becomes on our shelf
- Jersey38%
- Rib19%
- Scuba15%
- French Terry11%
- Interlock5%
- Pique4%
Share of listings by cloth type — one fabric can carry more than one.
Live from 570 measured listings on our shelf. How we measure →
Common questions
Is modal a natural fiber?
Like viscose, it is semi-synthetic: natural beech cellulose, regenerated through a manufacturing process. It behaves like a natural fiber on the skin — breathable and absorbent.
Is modal stretchy?
The fiber is not, but nearly all modal fabric is knit, and knits stretch by construction. Modal jersey has a soft, moderate stretch; add a few percent spandex and it recovers snappily. The listing's stretch rating tells you what a specific fabric does.
Is modal better than cotton?
For softness, drape and color depth, yes. For structure, durability under abrasion and crisp press, cotton wins. They are different tools — which is why modal-cotton blends exist.
Does modal shrink?
Far less than viscose or cotton — shrink resistance is one of the reasons the fiber was developed. A cool pre-wash is still good practice before cutting.
