Why I Stopped Buying Cheap Elastane (and Why You Should Too)

I manage purchasing for a mid-sized apparel brand—roughly $2 million annually across a dozen fabric suppliers. When I took over in 2020, our swimwear division was bleeding margin. The COO asked me to find cheaper stretch fabric. So I did. We switched from Lycra blends to a generic elastane supplier, saved about $0.40 per yard. Looked like a win.

It wasn't. By Q3 that year, our return rate for swimwear had jumped from 4% to 11%. Customers complained about sagging after three wears. Our flagship retailer dropped two styles. The $0.40 per yard savings? That turned into a $14,000 problem by December between returns, rush reorders, and a damaged brand relationship.

My position is clear: when sourcing stretch fabrics for performance apparel, branded Lycra fiber is not a luxury upgrade—it's a risk management decision.

My View: Why Branded Elastane Beats Generic in Practice

I've processed over 600 fabric orders since that debacle. Here's what I've learned. The upfront price difference between Lycra and generic elastane is real—usually 15-25% more per yard. But that comparison misses the point. The distinction in fiber-level engineering translates directly to production waste, garment returns, and customer loyalty.

Why should you, as a procurement professional, care about the fiber brand? Because the fabric's performance determines your company's customer retention. A mill buys fiber to make fabric; your brand buys fabric to make garments; your customer buys garments expecting them to perform. If the fiber fails, the entire chain breaks.

In my experience managing supply relationships for five years, here are three truths I've confirmed:

1. Brand equity reduces exchange rates

Our biggest lesson from the generic elastane experiment was about consumer trust. When customers buy a garment labeled with a recognized fiber brand like Lycra, they assume performance. When the garment fails, they blame the apparel brand—not the fiber supplier. After we switched back to Lycra blends for our activewear line in 2023, our customer service inquiries about shape retention dropped by roughly 60% (surprise, surprise—actually not a surprise at all).

2. Technical consistency saves production time

Here's something I never expected: the consistency of the fiber mattered more than the base price. With our generic elastane supplier, we saw variance in stretch recovery between batches. One shipment would perform perfectly; the next would lose shape after two washes. This inconsistency killed our production schedule. We couldn't confidently set quality benchmarks. We ended up rejecting 12% of one shipment—entirely unusable for our specifications. That batch sat in a warehouse for six months before we sold it at a loss to a discount distributor.

When we returned to Lycra, the variance dropped to near zero. I can now order with confidence that the fabric arriving next month will match the spec we approved last quarter. That predictability is worth a premium.

3. The hidden cost of a 'saved' dollar

I keep a spreadsheet of my mistakes. The generic elastane supplier saved us $0.40 per yard. Let's say we ordered 20,000 yards for a seasonal collection. That's $8,000 in direct savings. Sounds good, right? Here's what actually happened: we rejected 12% of one batch ($3,600 wasted material), paid $2,400 in rush shipping to cover the gap, processed 180 additional customer returns from the saggy garments ($5,400 in shipping and restocking), and lost one major account worth roughly $40,000 annually in reorders.

The net result? A negative return of about $3,400 in direct costs plus a permanently damaged revenue line. And I had to explain to my COO why our metrics tanked. (Which, honestly, was the worst part.)

What About the Argument That 'Generic Is Good Enough'?

I hear this from procurement colleagues. They say: “All elastane is chemically similar—you're paying for a brand name.” And it's true that generic elastane can perform adequately in some applications. For basic stretch items like simple leggings or low-stress garments, maybe the difference is marginal. I've used generic spandex in our loungewear line and had acceptable results.

The question isn't whether generic elastane can work. It's whether it will work consistently for your application. For performance categories like swimwear, activewear, and shapewear—where stretch recovery and chlorine resistance matter—the evidence from our operation says branded fiber outperforms. The mill we work with for swimwear, for example, has tested both options extensively and reports that Lycra maintains 95% of its recovery properties after 50 washes, while the generic equivalent drops to 72% under the same conditions. (These numbers come from their internal lab, tested circa 2024.)

According to the FTC (ftc.gov), claims about product performance must be substantiated. When I ask generic elastane suppliers for data on their fiber's retention properties after 50 wash cycles, I rarely get a clear answer. Lycra publishes this data. That transparency is valuable for a procurement professional who needs to justify decisions to finance.

My Bottom Line

I will never again base a stretch fabric decision on price per yard alone.

I've calculated the total cost of that mistake in dollars, in time, and in credibility. The upside of using Lycra fiber is a known performance standard. The risk of generic elastane is an unpredictable outcome that can destroy a seasonal collection's margin. For companies selling performance apparel, the choice shouldn't be between “expensive” and “cheap.” It should be between “proven” and “unknown.” After five years of managing these decisions, I'll pay the premium for proven.