Italian made 220gm weight 40 denier Lycra yarn with Tricot knit structure for better muscle holding ability, less vibration so less fatigue, better recovery – improved performance. Lycra Prime Elastane – Stretch memory, shape retention. Muscle Stability. Lycra Prime has bacteria resistance. Lycra lasts longer for long life performance. Lycra Power – the ultimate in muscle support, allowing up to 30% more power. Italian Nylon Yarn for superior wear with extreme moisture management.