Feetures most technically advanced sock. Designed around their patented Targeted Compression for superior comfort and support plus Ultra Light cushioning that takes up minimal room inside the shoe. Patented Sock-Lock Technology to provide targeted compression 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 The Perfect Toe (No irritating toe seam) SPECIFICATIONS: Length: No Show Weight: Ultralight Material: 95% Nylon, 5% Spandex