Yes, you can iron spandex—but only with extreme caution. Spandex garments should be pressed on the lowest possible heat setting, ideally with a pressing cloth, or better yet, avoided altogether in favor of gentler wrinkle-removal methods such as steaming or using bathroom steam. Direct high heat can permanently damage spandex fibers, causing them to melt, lose elasticity, or become shiny and misshapen.
For spandex blends like cotton/spandex or polyester/spandex, ironing is slightly safer but still requires care. Always turn the garment inside out, use low heat, and avoid direct contact with areas that contain a high percentage of spandex.
Why Spandex Requires Special Care
Spandex, also known as elastane or Lycra, is a synthetic fiber engineered for stretch and recovery. This performance comes with a trade-off: heat sensitivity. When exposed to high temperatures, spandex fibers can soften, deform, or break down, leading to permanent loss of stretch and fabric integrity.
Another important factor is that spandex does not wrinkle easily. Its elastic nature allows it to spring back into shape, meaning ironing is often unnecessary. In most cases, wrinkles relax naturally once the garment is worn or hung properly.
The Best Ways to Remove Wrinkles from Spandex
The safest approach to caring for spandex is to avoid ironing whenever possible. A fabric steamer is the most reliable solution. Steam relaxes wrinkles using moisture and gentle heat without direct contact, significantly reducing the risk of fiber damage. This method works well for dresses, leggings, activewear, and fitted garments.
How to Iron Spandex (Only If You Must)
If ironing is unavoidable, strict precautions are essential. Set the iron to the lowest heat setting, typically the “synthetic” or “delicate” mode. Always turn the garment inside out to protect the outer surface.
Place a thin pressing cloth, such as cotton muslin or cheesecloth, between the iron and the fabric. Keep the iron constantly moving and never let it rest in one spot. In most cases, a fabric steamer remains the safer option.
Final Verdict
You can iron spandex, but it should be treated as a last resort. Low heat, protective layers, and constant motion are non-negotiable. Whenever possible, choose steaming or indirect heat methods to preserve the stretch, comfort, and lifespan of spandex garments.
Proper care ensures that spandex retains the flexibility and performance it was designed for — without unnecessary risk from heat damage.
If you want a more complete understanding of how to care for spandex/elastane fabrics—from proper washing and drying to safe ironing techniques — our guide on Does Elastane Shrink in the Dryer? breaks down each step in detail to help you protect the fabric’s stretch and lifespan.
TANI THREAD CO., LTD
Tani Thread is a Vietnam-based manufacturer specializing in high-performance elastic sewing solutions for global apparel brands. With strong export experience in the U.S. market, we work closely with clients to develop made-to-order products tailored to specific applications—whether for activewear, lingerie, or technical garments.
From core material selection to stretch performance and durability requirements, our production process is designed to meet demanding industry standards while remaining flexible to your design and sourcing needs.
Get in touch with Tani Thread to explore customized solutions and request samples for your next collection.
- Address: Thanh Hoa Hamlet, Thanh Dien Commune, Chau Thanh District, Tay Ninh Province, Vietnam
- Hotline: 0984.841.239
- Email: sale@tanithread.com
- Website: tanithread.com
- Fanpage: Tani Thread
