OS1st has applied their textile engineering to the PB4® Pickleball Sock with impact protection, blister prevention, cooling technology for performance on and off the court. They also offer flexible, easy-to-wear bracing sleeves for tennis elbow, shin splints, wrist injury, knee support and more. All of their products come with a 100% satisfaction guarantee. 

 OS1st is the official sock and compression bracing partner of USA Pickleball.