Compressport ur2 ultra race recovery calf guards compressport innovates yet again with the ur2 enhancing their calf guard design with micro encapsulated textile technology millions of micro capsules of organic essential oils renowned for their soothing and my relaxing properties are embedded in the fabric and constantly release their active ingredients onto your legs the compressport ur2 calf guard boosts your venous return reducing the accumulation of toxins while increasing oxygenatio