The perfect solution for those who want Ultra Light cushioning with our unique blend of Merino wool and synthetic fibers for all-weather comfort. Plus, our patented Targeted Compression to provide superior comfort and support where it's needed most. • Patented Sock-Lock Technology to provide targeted compression where it’s needed most. • Anatomical design enhances fit, delivering maximum comfort and protection by eliminating blisters. • Ultra thin construction takes up minimal room inside the shoe. • Merino+ insulates when wet—keeping your feet warm in wet, cool conditions. • The Perfect Toe® (No irritating toe seam.) •No Show Tab height sits below the ankle for maximum versatility.