Four styles, one from each line. Three run a 4.5 inch leg: Impact at 90% nylon and 10% elastane, Vision at 94% and 6%, and Evolve in a seamless knit of 49% polyester, 42% nylon and 9% elastane. Ascend is the shortest at 3.5 inches and the stretchiest at 85% nylon and 15% elastane. Waistbands go from mid to low on Impact and Vision up to mid-to-high on Ascend. Evolve runs snug, the rest are true to size.