What's your size? aria-describedby="a11y-new-window-message" rel="noopener noreferrer" title="Icebreaker Men's top sizing guide" data-modal-height="660" data-modal-width="960" data-modal-width-percent="80" data-href=" class="size-guide" href=" target="_blank">See ourSize Guide
Slim Fit- A snug, close-to-body fit for low-bulk layering.