the rock is a loose-fit long-sleeved crewneck t-shirt, a variation on the short-sleeved rik. crafted in our bespoke cotton-cashmere blend, it combines the lightness of cotton with the sumptuous warmth and softness of fine cashmere. the largest of our cotton-cashmere t-shirt designs, the rock is roomy. expect all-day, airy comfort, whatever the season.