Outer sole, heel, and toe made of ultra soft, breathable 300 weight fleece for maximum warmth and comfort where it matters most
Upper front and back shaft rest over the calf and are made of soft, breathable 200 weight fleece
Acorn fleece is highly breathable, wicks moisture outward, and dries quickly
Two-way stretch and flat-lock seams for added comfort
Added bonus of non-slip tread lets this sock double as a slipper