Royal Blue Neoprene Air Knee Pad. Made of durable bounce back neoprene material. Edges are serged to prevent fraying. Four needle mauser stitch adds greatly to durability. Designed with additional support for the Patella and Medial Collateral Ligaments. Improved ventilation and mositure management. Comfort zone back seam area. Washable. All knee pads are sold individually, as one knee pad. To order a pair, simply order 2.