adidas Karate Grandmaster Gi WKF Approved for international kumite competition Climacool technology : Supplies ventilation and moisture management to create a cooling effect. Increases breathability, and reduces discomfort due to moisture build-up and overheating. Light and comfortable soft 7oz material Drawstring with an elastic waist band Made of 35% Cotton / 65% Polyester polycotton blend makes this uniform 20% more resistant to tear than those made of 100% cotton