Pro Build designates a PMI Core and?Textreme?Carbon. PMI is the lightest and most responsive foam money can buy, allowing a skier to get more attainable angle out of the turn and have the ability to hold it through the wakes. Textreme lets the ski flex instantly and consistently, giving the skier more speed from a wider point. Overall, the ski will feel like it is carrying constant speed from the first cut to the last turn which results in the most effortless ride we’ve found to date.