For long days and demanding missions, tap the XVe. Designed by Xavier de Le Rue, this expedition boot offers unrivaled performance and protection. Its new XLS System also enhances strides when skinning. Drop into the future. Loosening the powerstrap extends the shell's range of motion to 8Adeg for enhanced comfort and longer strides while skinning New plastic backwelt features a grooved heel for rocking semi automatic crampons New expedition model features a snow cover for additional weatherproofing The Dupont Surlyn highback contributes to the durability and stability of the boot. Combined with additional reinforcements, the highback also aids in dictating its stiffness.