KCROSS Compression Leg Sleeves (2 PCS)- Stretch Knee Long Sleeve for Running, Basketball, Cycling- Suitable for Men and Women COMPRESSION TECHNOLOGY: Muscle containment for reduced vibrations and oscillation, less muscle fatigue and damage with a Graduated Compression Fit for circulatory benefits and faster recovery MATERIAL: Professional grade material contain nylon and lycra blend. The fabric is breathable. COMFORTABLE SIZING: These compression arm sleeves are perfectly sized for men and women(please view chart ) ADVANTAGE: Reflective printing on the surface of the sleeve.Circular 360 degree knit construction creates a consistent powerful pressure. GUARANTEED: We stand behind our product 100% no questions asked. Don't fall for misleading marketing from lesser quality items.