Protection Level 2 - Moderate protection for activities that are strenuous but not a long duration.
- Exclusive Wool/Silk Blend construction for insulation and superior moisture management.
- Moderate cushioning in ball/heel for reducing shock, impact, shear and blisters.
- Light cushioning - at instep protects against lace pad pressure/in arch for better fit; spandex for support.
- Ventilation panel for better wicking.
Fiber Contents: 31% Wool/THOR•LON®, 20% Exclusive THOR•LON® Acrylic, 18% Insulating hollow-core polyester, 14% Nylon, 12% Wool/Silk, 5% Spandex

Natural fat pads protect our feet, but we destroy them by walking and running on hard surfaces
- This loss of fat pads is due primarily to damage from shearing forces from walking and running on smooth, unyielding man-made surfaces (concrete, asphalt, hard floors).
- The damage is compounded by poorly designed and poorly fitted socks and shoes.
- Thorlos protect the fat pads from shearing forces by transferring these forces from the fat pads to the cushion fabric of the Thorlos; and where fat pad degradation has already occurred, Thorlos engineered cushion fabric helps replace the function of the natural pads.
Fabrics that work well on our bodies work poorly in our shoes
- Cotton, wool and silk (all natural fabrics) absorb moisture ["Absorption" is defined as retention]. Wool claims to "wick," which is not true.
- Inside the shoes, natural cushion sock fabrics become ineffective and even harmful to the feet: They absorb moisture, become saturated and collapse. Result: no protection.
- Acrylic "wicks" moisture ["Wicking" is defined as transmission or movement of moisture by capillary action], moving it to the outer materials of the shoe where it is released into the outside environment.
- Acrylic cushion sock fabric maintains resiliency and provides a more natural yielding, forgiving, dynamic environment for the foot (like walking barefoot in grass or sand).
- Result: More protection, more comfort.
 Wool with Exclusive THOR•LON® Acrylic
This performance fiber blend is intended for active cold climate use. Designed for improved blister protection and comfort without sacrificing significant insulating properties of natural wool. The addition of THOR•LON® acrylic improves loft, resiliency and greatly enhances moisture management qualities that 100% wool yarns alone cannot provide.
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