Quick answer

A t-shirt should skim your torso without pulling across the chest or bunching at the waist, and the fabric should feel smooth rather than stiff. If you want a tee that stays comfortable in heat and holds its shape, look for a lyocell (Tencel) blend like the Tencel Soft Crew Neck T-Shirt, then wash it cool and skip the dryer.

Most t-shirt problems come down to three things: the cut, the fiber, and how you wash it. Get those right and a tee stays in rotation for years instead of months.

These are the questions readers send most often, answered directly so you can shop or care for a tee without second-guessing.

How should a t-shirt actually fit?

A well-fitting tee follows your body without gripping it. The shoulder seam should sit at the edge of your shoulder, the sleeve should end mid-upper-arm, and the hem should land around the middle of your fly or hip. If the fabric pulls into horizontal creases across the chest, size up; if it billows at the waist, try a straighter cut.

Straight-cut tees work for a wider range of body types because they don't taper hard at the waist. The Tencel Soft Crew Neck T-Shirt is described as a straight-cut style offering comfort for all body types, which makes it a safe starting point if you're between sizes or unsure how a brand fits.

  • Check the shoulder seam first — it's the hardest thing to alter later.
  • Raise both arms: if the hem lifts above your waistband, the tee is too short or too tight.

What is Tencel, and is it a good t-shirt fabric?

Tencel is a brand name for lyocell, a fiber made from wood pulp. It's often called vegetable silk because of its smooth, fluid hand feel. Compared with cotton, lyocell is described as four times more absorbent, so it pulls moisture away from skin faster and feels cooler in warm rooms.

The tradeoff is durability under heat. Lyocell is sensitive to high dryer temperatures, so it needs cooler washing and air drying to keep its drape. If you want a low-maintenance tee you can tumble dry hot, cotton is more forgiving — but it won't feel as smooth.

  • Blends with a small amount of spandex, like 97% lyocell and 3% spandex, add stretch and help the tee recover its shape.
  • Lyocell's production uses little water compared with conventional cotton, which matters if environmental impact is part of your decision.

How do I wash a Tencel t-shirt without ruining it?

Turn the tee inside out, wash cold on a gentle cycle with similar colors, and use a mild detergent. Skip fabric softener — it coats the fibers and reduces the moisture-wicking feel that makes lyocell pleasant to wear. If the tee has a print or embroidery, avoid bleach entirely.

Dry flat or hang in the shade. If you must use a dryer, choose the lowest heat setting and remove the tee while it's still slightly damp, then shape it by hand. High heat is what causes lyocell to shrink, stiffen, or lose its soft drape.

  • Wash with like colors for the first few cycles — dark green and other deep dyes can release slightly.
  • Store folded rather than on a hanger to avoid stretching the neckline.

Why does my t-shirt smell after one wear?

Synthetic fibers trap body oils and bacteria more than plant-based ones, so a polyester tee can smell sour after a single wear. Lyocell and cotton release odors more readily in the wash. If odor lingers, you're likely using too much detergent — residue holds smell — or washing in cold water without enough agitation.

Try a shorter cycle with less detergent, or add half a cup of white vinegar to the rinse. For workout tees, air them out overnight before putting them in the hamper so moisture doesn't set in.

  • Never leave a damp tee in the washing machine — mildew odor is hard to remove.
  • If smell persists after two washes, the fabric may have a buildup; a single hot wash with no detergent can reset it.

Should I size up or down in a straight-cut tee?

Stay true to size in a straight-cut tee if you want a clean, casual look. Size up if you prefer a looser, boxier fit or plan to layer the tee over a tank top. Size down only if you want a close fit and the fabric has stretch — a 3% spandex blend will hug without feeling tight.

Because straight cuts don't taper, they can look oversized on narrow frames. If that's a concern, check the garment measurements rather than relying on S/M/L labels, which vary between brands.

  • Measure a tee you already like and compare it to the size chart.
  • For layering, a slightly longer hem keeps the tee from riding up over a tank.

Do I need a special detergent for plant-based fabrics?

No special detergent is required, but a mild, enzyme-free formula is gentler on lyocell and modal. Enzymes in some detergents are designed to break down protein stains, and they can gradually weaken plant-based fibers with repeated use. A standard free-and-clear detergent works fine for most people.

The bigger factor is water temperature and dryer heat. Cold water and low heat preserve the fabric far more than any specific product. If you're washing a load that includes underwear or socks in modal or cotton, the same rules apply.

  • Use the amount of detergent recommended for your load size — more isn't cleaner.
  • Wash tees with similar weights so heavier items don't abrade the fabric.

T-shirt FAQ quick reference

Fit check

Shoulder seam at the shoulder edge, no horizontal pull across the chest, hem at mid-fly or hip. If it pulls, size up; if it billows, try a straighter cut.

Fabric choice

Lyocell (Tencel) is smoother and more absorbent than cotton but needs cooler care; cotton is more heat-tolerant. Pick lyocell for hot weather and drape, cotton for low-maintenance washing.

Care routine

Wash cold inside out, skip fabric softener, air dry or use low heat. Heat is the main enemy of plant-based fibers — keep it low.

Product facts that answer common questions

  • Tencel Soft Crew Neck T-Shirt | Dark Green 402593-00dg: Straight-cut tee made of 97% lyocell (vegetable silk) and 3% spandex, described as offering absolute comfort for all body types. The straight cut and stretch blend suit a range of body types and give the tee shape recovery after washing, so it holds its fit longer.
  • Sport Lounge Crew Neck Sweat-Shirt | Grey Melange 402596-00gm: Made from comfortable fleece with an embroidered blue-white-red H logo and contrast stitching, designed for wear at home or outside. A useful layer over a tee when the weather turns, and the casual-elegant detailing means it works beyond the couch.
  • Tencel Soft Comfort Micro Briefs | White 402463-0003: Micro-shaped brief in 97% lyocell and 3% spandex, suitable for all body types thanks to its cut and texture. Same plant-based fabric as the Tencel tee, so if you like how the tee feels, the underwear delivers the same smooth, absorbent hand feel.

A t-shirt earns its place when the cut follows your body, the fabric suits the climate, and your care routine protects both. Start with a straight-cut lyocell blend if you want cool comfort, and treat it gently in the wash so it keeps that feel.