Home / All / Activewear Manufacturing FAQ / What is the difference between Lycra and Spandex in sportswear fabrics?
What is the difference between Lycra and Spandex in sportswear fabrics?
Lycra and Spandex are often used interchangeably in sportswear, but there is a technical distinction. Spandex is the generic term for the synthetic elastic fiber known for its exceptional stretch and recovery, commonly blended with polyester, nylon, or cotton to provide flexibility in activewear. Lycra, on the other hand, is a brand name owned by Invista and represents a high-quality version of spandex that meets stricter performance and durability standards.
In practice, Lycra fibers tend to maintain their shape longer under repeated stretching and washing, resist sagging, and offer more consistent elasticity across production batches. A common manufacturing oversight is assuming all spandex behaves identically; lower-grade spandex may feel similar initially but can lose recovery faster, causing bagging at knees, elbows, or waistbands.
For brands, the actionable approach is to verify the fiber source, request lab performance data, and conduct stretch, abrasion, and wash tests on the actual fabric blend. This ensures garments perform consistently and maintain fit, reducing returns and long-term quality complaints.
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