Sport fit | supportive compression from the cuff through the arch improves proprioception (joint position awareness) around the ankle and mid foot aiding stability and improving balance. T2 anti-shock cushioning| a loop within a loop that offers an additional level of impact protection resulting in all day long comfort. Advanced zonal padding system that provides extra support and comfort to areas of the foot and leg. Merino wool| knit with MERINO wool for superb softness next to skin while providing excellent thermal and moisture control properties. Natural toe spread | wide and un-restrictive, natural toe box allows toes to splay naturally. Flat toe seam| an almost invisible hand linked toe seam closes the toe boxes creating a comfortable, flat seam that doesn't create excess bulk and cause irritation.