1 Four springs support design， more ergonomic design 2 Open design， more comfortable to wear 3 Adjustable and durable 4 EVA gasket design， very comfortable 5 Adopt imported nylon closure， soft edges， more durable6 Great elasticityModel: SX508 Color: Black Material: 75% synthetic rubber， 25% nylon Size: about 28 x 17.5 cm， one size， suitable for knee circumference 31-45cm Upper girth: about 35 cmLower girth: about 29 cm Applicable: knee pain and discomfort， mild strain/sprain， knee fatigue， patellar instability， fitness and a variety of sports.1 x Knee brace<br /><img src="http://img6.eachbuyer.com/x9/p100/bv749_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv749_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv749_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv749_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv749_5.jpg" />