1Peel the cucumbers and slice them thinly.
Finely chop the fresh mint leaves.
Thinly slice the red onion.
In a large bowl, combine the sliced cucumbers, chopped mint leaves, and sliced red onion.
In a small bowl, whisk together the white wine vinegar and olive oil.
Pour the dressing over the cucumber mixture and toss to combine.
Season with salt and pepper to taste.
Serve immediately or refrigerate for up to an hour to let the flavors meld.