BOOT- lightweight VORRAC Quarter construction › Advanced thermolayer composition that is extremely lightweight, strong and heat moldable › Strategic VIBRAM wear patches on the insides and outsides of the boot for increased durability › High density memory foam ankle pads strategically lock heel and ankle for increased power transfer. Comfort ACCUAIRE moisture wicking liner. › Comfort pillow padding edge reduces ankle irritation and provides lasting comfort › Instep honeycomb venting for maximum breathability › A.R.C. Tongue (Anti-Lacebite, Removeable, Custom Fit Toe Box)