Spiro - Compression Calf Sleeve Material: 70% Nylon / 30% Elastane. * Super soft, quick dry breathable fabric. * Thin and lightweight to maximise heat emission. * Graduated compression: 15-20mmHg. * Seamless 360° knit. * Relieves and prevents poor circulation, calf cramps, shin splints and general pain from sports. * 360° compression around calf absorbs 'shockwave' effect on muscles, veins and joints. * Increases circulation and reduces lactic acid build-up and muscle fatigue during exercise and running. * Helps improve blood flow during air travel. * Easy to pull on and off. * Shaped to fit design, supporting body's natural angles. * Tag free. Product notices * Colour representation is only as accurate as the web design process allows. Size conversions Size XS S M L XL Size: XS S M L XL Calf circumference (cm): 30/34 34/38 38/42 42/46 46/50 Length (cm): 25/35 30/40 30/40 40/45 45/50