Class 2 Activa Kneecaps provide support to reduce swelling and protects the affected area from further injury until your strength and confidence return. Kneecaps are soft to the touch and light and comfortable to wear, as well as being easy to put on and take off. If you have had, or believe you may have had, any problems with your veins then it is important that you seek advice from a trained health professional before wearing any compression hosiery.