Spira Genesis 2 White Black Bronze Mens
Background the accomplishment standard for Spira’ running footwear border, the Birth II combines Spira s engineered cushioning technology and proven stability countenance in one shoe. The one and only WaveSpring technology, constitute in both the heel and the forefoot, provides exceptional cushioning and animation return while providing a constant dais for runners who keep stability needs. The WaveSpring does not collapse and maintains "like advanced" cushioning achievement all the time the existence of the footwear, while reducing impact agitate, emphasis and drain of energy. The midsole delineate incorporates a distinguished bend platter for increased adaptability and a firmer density medial advertise and exterior shank for bear, which mill with the eminently supportive upper describe to be proof against overpronation dynamics. The Birth II contains WaveSpring technology in both the heel and the forefoot to accommodate a remarkable amalgam of cushioning and animation give back with a lofty body medial assign for stability. Shoe weighs 14.5 oz.