The Peaks Crew 15-20Mmhg features:

COMPRESSION
Moderate (15-20mmHg) Compression

CUSHIONING
Medium Cushion Sole

FEATURES
Accu-fit Technology
Turn Welt Top
Graduated Compression
Arch Support
Breather Panel
Seamless Toe Closure

CONTENT
33% Merino Wool
33% Rayon from Bamboo
28% Stretch Nylon
6% Spandex