T-4 AIR WOMEN FUCHSIA/WHITE 41.0 TWELVE Carbon Composite Sole: 3k weave Carbon Fiber Insert/Injected Carbon Fiber reduces weight without sacrificing stiffness and efficiency Mimics a womens more tapered foot shape; More narrow across the ball of the foot, less volume on the instep area and a narrower heel cup AIR-perforated Triatholon-specific Politex upper with plush, brushed interior and minimal seams for sock-free comfort; Perforated for air low and water drainage Notched top strap opens away from drive train; Large heel loop for fast transitions External, reinforced heel cup for superior fit and power transfer; wont break down over time; Replaceable heel pad