What Pilling Grade Should I Require for a Performance T-Shirt Fabric?
No ISO or ASTM method sets a passing pilling grade. Here is how to specify the method, cycles, pretreatment, and minimum grade so it holds at bulk.
Specs & Testing
Fabric Science
Fiber & Construction Basics
What Is Thermal Fabric? A Guide to Insulating Performance Knits
“Thermal fabric” gets used loosely on spec sheets to mean anything warm, but warmth in a knit is an engineering
Fabric Comparisons
Natural vs Synthetic Performance Fabrics: Pros & Cons
Compare natural and synthetic performance fabrics for comfort, moisture management, durability, stretch, sustainability, cost, and activewear development.
Specs & Testing
Fabric Weight Guide: Lightweight, Midweight, Heavyweight
Use this fabric weight guide to compare lightweight, midweight, and heavyweight textiles by GSM, garment type, drape, durability, and performance use.
Specs & Testing
What Is AATCC Testing for Performance Fabrics?
Learn what AATCC testing is, why it matters for performance fabrics, and how colorfastness, shrinkage, pilling, and moisture tests protect apparel buyers.
Fabric Comparisons
4-Way Stretch vs 2-Way Stretch Fabric: Which to Choose?
Compare 4-way stretch and 2-way stretch fabrics for activewear, leggings, tops, swimwear, recovery, comfort, cost, and garment performance.
Fiber & Construction Basics
What Is Opaque Fabric? Why It Matters for Light Color Apparel
Learn what opaque fabric means, why opacity matters for light color apparel, how opacity is tested, and how brands can prevent see-through garments.
Fabric Comparisons
Cotton Feel Fabric vs Real Cotton: What’s the Difference?
Compare cotton feel fabric and real cotton for softness, breathability, stretch, durability, care, performance apparel, and sourcing decisions.
Specs & Testing
Fabric Stretch Ratio: Elastane vs Spandex vs Mechanical Stretch
Understand fabric stretch ratio, how stretch is measured, and how elastane, spandex, and mechanical stretch affect fit, recovery, and apparel performance.
Fiber & Construction Basics
What Is Breathable Fabric and How Is It Measured? (CFM Guide)
Learn what breathable fabric means, how CFM measures air permeability, typical sportswear ranges, and how to choose breathable performance knits.