Understanding Shirt Quality: Fabric GSM and Other Key Factors

When shopping for shirts online, one of the most important (but least understood) aspects is the fabric quality. Whether you're a first-time buyer or a clothing enthusiast, knowing how different terms like GSM, thread count, and fabric composition affect comfort, durability, and overall feel can help you make the right choice. At Sansvira, we want you to make informed purchases every time—here’s a simple guide to different shirt quality metrics.


1. What is GSM?

GSM stands for "Grams per Square Meter" and measures the weight and density of fabric.

  • Low GSM (<120):

    • Thin, lightweight fabrics (often used for summer wear or innerwear).

    • Soft and airy, but may feel sheer or less durable.

  • Medium GSM (120–180):

    • Standard weight for everyday shirts and t-shirts.

    • A balance between comfort and durability; suitable year-round.

  • High GSM (180+):

    • Heavyweight and premium feel; often associated with higher quality.

    • More structured, less see-through, ideal for colder climates or formal occasions.

Example: Our Unisex Classic Crew T-Shirt features 180GSM cotton for durability and comfort—neither too thin nor too heavy.


2. Thread Count

Often used in bed linens and some shirts, thread count refers to the number of threads woven per square inch.

  • Higher thread count can mean a softer, smoother fabric but is only one part of measuring quality. Shirt fabrics typically have moderate thread counts balanced for breathability.


3. Fabric Composition

Material matters! Common shirt fabrics include:

  • 100% Cotton: Natural, breathable, and soft. Best for everyday comfort.

  • Polyester Blends: More wrinkle-resistant, quick-drying, and sometimes stretchier, but may feel less breathable.

  • Linen: Exceptionally breathable, ideal for hot climates, but often wrinkles easily.

  • Rayon/Modal: Soft and smooth texture, often used for premium, drapey shirts.

Tip: Always check the fabric label—at Sansvira, you get real, detailed product information on every shirt.


4. Weave Type

How threads are woven affects feel and performance:

  • Plain weave: Standard, sturdy, and balanced (used in most t-shirts).

  • Twill weave: Features diagonal lines, softer and less prone to wrinkles.

  • Satin weave: Glossy finish, smooth texture, more formal.


5. Finishing Processes

Finishing techniques add value and comfort:

  • Mercerizing: Makes cotton shinier and stronger.

  • Preshrunk: Reduces risk of shrinking after the first wash.

  • Bio-wash/Enzyme treated: Adds smoothness and softness, improves durability.


How to Choose the Right Shirt Quality

  • For daily use: Look for medium GSM (150–180), basic cotton or blended fabrics, and preshrunk label.

  • For active/outdoor wear: Stretch blends, moisture-wicking materials, higher GSM if you want sturdiness.

  • For premium feel: High GSM 100% cotton or linen, special weaves or finishes.

Remember: Quality isn’t just about thickness; it’s about balance between comfort, durability, and your personal style needs.


Why Sansvira Shirts?

At Sansvira, we’re transparent about every shirt’s GSM, material, and finishing process. Our product pages break down fabric details so you shop confidently—no surprises.

Questions about shirt quality?
WhatsApp us or drop a message—our team is happy to help you choose your next favorite shirt!


Shop smart. Feel confident. Wear your style with Sansvira!

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