Spiral Slant -Tec Cuff provides stretch and an excellent fitFlat Seam Technology eliminates bulk along seams and promotes a smoother touchLonger tail designSlant -Tec AamholeNatural Antibacterial propertiesStatic Electricity Resistant Light weight, soft to the touch SUPER MERINO Wool base layer suited for daily usage or for outdoor activities like hiking, backpacking and trail running year round. Wool's natural abilities to control moisture will keep you feeling warm and comfortable from the moment you put it on. -