Compressport R2 V2 Calf Sleeves - SS19 Supportive - Reduces injury and aids recovery. Hydrophobic Fibre - This water-repellent fibre wicks moisture away and evacuates sweat without absorbing it. K-Protect - Supports the patellar tendon. Shock Absorber - Dampens shock and the effects they have on the muscles. Massaging Fibre - Provides a micro-massage.