Prices are as marked; discounts vary by size. Sales items are final and cannot be returned or warranted. The Military Thermoflex Molded Sole Dive Boot 6.5mm is Xcel’s most advanced series of diving wetsuits and accessories, featuring the Thermo Dry Celliant (TDC) next to the skin liner with Smart Fiber Technology. This proven technology recycles your body heat into infrared energy for greater warmth, increased endurance, faster recovery, and enhanced overall performance.