Size: Calf: 13.4 - 16.5 inches (34 - 42 cm); Ankle: 8.3 - 9.8 inches (21 - 25 cm); Foot Size: 9.1 - 9.8 inches (23 - 25 cm); Color: Black, Pink, Blue, Purple - The swelling causes your legs to become thicker. Xylitol reacts with sweat to create a heat absorbing reaction and heat dissipation so you wont feel uncomfortable even when wearing it in summer. Mesh knit for excellent breathability. It wont get sticky even if you sweat.