Zippered Compression Knee Wrap With Easy Zipper On/Off! Wrap up that sore knee in this form-fitting, flexible QuadstretchTM support. The compression helps increase blood circulation and reduces swelling while the 4-way stretch material allows for movement. With durable zipper for easy on and off. Nylon/neoprene blend. Imported. Fits knee circumference: Small/Medium (12"-14.5") Large/X-Large (14.5"-17").