Industrial-grade interlock knit structure delivers 4x enhanced durability vs single jersey (ISO 13934-1 tested). Moisture-wicking finish reduces sweat retention by 38% with UV50+ protection. OEKO-TEX Standard 100 certified fabric withstands 200+ industrial washes while maintaining anti-pilling performance. Ideal for high-intensity training gear & team uniforms. Compatible with sublimation printing for sportswear branding.