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. No Show Tab height which sits below the ankle for maximum versatility. iWick fibers wick moisture to keep feet cool and dry. Engineered with anatomical design and Targeted Compression, providing a Custom-Like Fit and reduced risk of blisters, plus Ultra Light Cushioning takes up minimal room inside the shoe.