Have you ever developed a sports bra, received complaints, and ended up blaming the cut or the pattern?
Before you blame the cut, consider that the fabric plays a pivotal role in how your garment feels, and performs.
As a clothing manufacturer, we’ve heard countless brands judge clothing based on how it looks on a hanger; without ever testing how the sports bra performs in motion.
Then customers start wearing it. The sports bra feels less supportive, can’t hold anything in place, or fades after just a few washes.
Fabric weight, elastane composition, and construction will decide the body support, comfort, cost, and customer satisfaction all at once; long before a pattern is cut.
This article covers which fabrics work for sports bras, how to match them to impact level, and how to get the whole thing made properly, so your next sample passes the test on its first try.
What makes a good sports bra fabric?
Have you ever wondered what makes a sports bra look good and perform well for your customers?
As a clothing manufacturer working in the activewear sector, we found that a good sports bra fabric should enable movement, manage moisture, and hold its colour even after repeated washing.
Here is a checklist to run through before you choose a fabric:
- Stretch and recovery: The fabric must stretch well with the body. Poor recovery leads to a sports bra that bags out after only a few washes.
- Moisture management: The fabric should pull sweat away from the skin and dry quickly, which reduces chafing and odour. Polyester is hydrophobic which makes it a better choice than Polyamide (nylon) which is hydrophilic.
- Durability: It should resist pilling, abrasion and fading, even after repeated washing.
- Skin comfort: A sports bra sits directly against the skin, so a soft handfeel and a fabric that doesn’t rub are essential. Your customers may wear it for hours, so make sure it feels comfortable.
What are the main fabric options?
77% Polyester 23% Spandex Suede
Designed for premium sportswear and activewear, this fabric is ideal for leggings and tops used in sport, yoga and other activities. It has a buttery-soft handfeel, 4-way stretch and a premium finish, offering comfort, support and flexibility. Its double-brushed finish makes it smooth, soft and wrinkle-resistant, for a high-quality, durable result
Highly versatile and stretchy, this fabric is ideal for swimwear, activewear, rash guards and more.
Its excellent flexibility and durability ensure both comfort and performance.
78% Recycled Nylon 22% Spandex – Econyl – Vita
Vita by Carvico is an eco-sustainable technical fabric made with regenerated ECONYL® nylon yarn, turning waste into a useful material for fashion and interior design. This recycled tricot fabric is engineered to be ultra-resistant to chlorine, sunscreen and oils, and it offers good UV protection.
80% Recycled Polyester 20% Spandex – Vuta
A high-performance recycled stretch fabric designed for activewear, offering excellent flexibility, durability and comfort. It has a smooth, supportive feel with good stretch and recovery, allowing unrestricted movement while helping the garment keep its shape. It is ideal for activewear, training and everyday performance apparel.
Simply click on each fabric name above to explore its details and request a fabric sample. Experience the texture, softness and quality of the material for yourself before choosing the right fabric for your collection.
Which fabric suits which impact level?
When designing a sports bra, it helps to understand the term “impact” and how it relates to performance.
Impact is how much the body bounces or moves during an activity, which is exactly what the sports bra has to control.
Don’t confuse it with intensity. Weightlifting or a hard yoga flow is high intensity but low impact, because there is very little bounce.
A slow jog is only moderate intensity, yet it is still high impact, because every step causes vertical movement.
Your fabric, GSM, elastane content, and construction, all need to respond to how much movement they have to control.
If you choose fabric based on workout intensity alone, you could end up making the wrong call.
A light fabric for a hard but low-impact workout is perfectly fine, but a medium-support sports bra for an easy jog is a poor choice.
Conclusion
Here’s the thing to remember: the right fabric won’t rescue a badly built sports bra, and a great pattern won’t rescue the wrong fabric.
You need both, and you need to get them right before the bulk order.
So, if your last sample let you down, don’t write the whole idea off.
Start with the fabric, then build around it.
Whether you’d rather launch quickly with white label or develop something fully your own, CM Garmindo can help you get there.
