NIKE Pro Combat Hypercool Compression Woodland 3/4 Running Cross Trainng Tight M 92% Polyester/8% Spandex Dri-FIT Max fabric wicks sweat faster to help keep you dry Compression fit for a locked in feel. Calve length (3/4) Printed elastic waistband for a comfortable fit. Ergonomic seams for enhanced range of motion Durable and seamless Hypercool mesh zones for maximum cooling American Size: Medium