A Segment Control is a horizontal control made of multiple segments. It provides a compact means of grouping together a number of controls.
<form action="#">
<fieldset>
<legend>Legend text</legend>
<ul class="segmented-control segmented-control--stretched">
<li>
<input type="radio" id="one" name="choose1">
<label for="one">one</label>
</li>
<li>
<input type="radio" id="two" name="choose1">
<label for="two">two</label>
</li>
</ul>
</fieldset>
</form>