zurb-foundation-5/doc/includes/switch/examples_switch_basic.html

Foundation 5 for npm (no code modification from original repo)

<div class="switch">
  <input id="exampleCheckboxSwitch" type="checkbox">
  <label for="exampleCheckboxSwitch"></label>
</div> 

<h4>Rendered Radio HTML</h4>

<div class="switch small">
  <input id="exampleRadioSwitch1" type="radio" checked name="testGroup">
  <label for="exampleRadioSwitch1"></label>
</div> 

<div class="switch radius">
  <input id="exampleRadioSwitch2" type="radio" name="testGroup">
  <label for="exampleRadioSwitch2"></label>
</div> 

<div class="switch round large">
  <input id="exampleRadioSwitch3" type="radio" name="testGroup">
  <label for="exampleRadioSwitch3"></label>
</div>