company news about COOLMAX CloakFX Fiber Development for Sweat-Masking Performance Apparel

SEVNNA TEXTILE is developing performance-knit concepts with COOLMAX CloakFX™ fiber for activewear, running, golf, workwear and ready-to-wear brands targeting the US market.

Quick Answer: What Is COOLMAX CloakFX Fiber?

COOLMAX CloakFX is a lightweight, durable fiber technology designed to help wearers feel cool while minimizing the visual impact of sweat. It combines moisture-management performance with an optical masking effect intended to make moisture marks less noticeable on the finished fabric.

How the Sweat-Masking Effect Works

Sweat normally changes the way light reflects from a fabric, making a wet area look darker. COOLMAX CloakFX fibers are engineered to scatter light in multiple directions. This light-diffusing behavior helps reduce the visual contrast between wet and dry areas, so sweat marks are less likely to stand out.

The technology is integrated into the fiber itself. Finished performance still depends on yarn selection, fabric construction, color, dyeing, finishing and garment design, so every proposed article must be evaluated in its final specification.

Key Development Benefits

• Sweat-masking performance: designed to minimize the visible appearance of moisture.
• Moisture management: supports the movement and evaporation of perspiration to help the wearer feel cool and comfortable.
• Durable fiber-level technology: developed for repeated wear and laundering, subject to the approved fabric specification.
• Outdoor comfort direction: the fiber platform can support higher UPF performance than conventional polyester fibers; any finished-fabric UPF value must be confirmed by testing.
• Responsible material option: recycled-content routes may be available, with the actual percentage and GRS documentation confirmed for the selected yarn.

Fabric Development Options at SEVNNA TEXTILE

• Lightweight circular-knit jerseys for running, tennis, golf and training tops
• Interlock and double-knit constructions for activewear and supportive garments
• Ready-to-wear and workwear knits requiring a cleaner appearance during daily activity
• Color, melange and surface concepts developed to complement the optical masking effect
• Stretch and recovery adjusted for mobility, fit and garment stability

Why “Sweat-Invisible” Requires Verification

“Sweat-invisible” is a useful design objective, but it should not be treated as an identical result across every fabric and color. Sweat volume, lighting, color depth, melange effect, knit density and garment fit can influence appearance. SEVNNA TEXTILE recommends side-by-side wet-and-dry evaluation on the selected article and color before a brand approves its consumer-facing claim.

Testing and Approval

The development route can include moisture management, drying rate, color change, sweat-visibility comparison, stretch and recovery, dimensional stability, pilling, colorfastness and UPF testing where required. The method, comparison control and acceptance target are agreed before bulk production.

Start a COOLMAX CloakFX Development

Brands can provide the garment application, season, market, target weight, width, stretch, hand feel, color direction, quantity and required tests. SEVNNA TEXTILE will review suitable yarn availability and propose an efficient sampling route.

Contact SEVNNA TEXTILE for COOLMAX CloakFX fabric development.

COOLMAX® and CloakFX™ are trademarks of The LYCRA Company. Technology availability, trademark use, recycled content and performance depend on the authorized yarn source and confirmed finished-fabric specification.