Description Composition: 83% Australian Merino 15% Nylon 2% Spandex Design: Height 3/4 Cushioning High Weight Heavy Features: SFS (Secure|Fit|System) WildernessWool EXP Chlorine Free Relaxed, padded cuff reduces calf pressure Heavy weight, all conditions comfort Reinforced heel and toe High cushioning perfect for everday wear Virtual seamless toe seam