Fill a sling glass to the top with ice cubes
Pour 0.5 oz of lime juice, 2.5 oz of grapefruit juice, 1.5 oz of cranberry juice, 1 oz of elderflower syrup and 1.5 oz of vodka into a shaker
Fill the shaker with ice cubes and shake
Strain into the sling glass
Garnish with orange zest and a sprig of mint