Engineered for hiking in all seasons on varied trail surfacesProduct Features:* Thorlon Acrylic for bulk, durability and wicking * Lace pad to protect against boot pressure * Flat-knit ventilation panel enhances wicking action* Midweight padding to protect against shock, impact and blisters

This running sock is engineered with heavyweight pads to prevent blisters and provide maximum shock absorbtionProduct Features:* Flat knit instep for less bulk and a better fit* Heavyweight padding offers the most possible protection for running* Heavyweight padding protects against shock, impact, and abrasions associated with running