Metaframe technology with synthetic composite boot
	
Speedcore 1 stiffness making it lightweight and rigid
	
HD microfiber liner with durazone abrasion protection
	
Concave reinforced injected outsole with exhaust system
	
7mm felt tongue with embossed lace-bite protection
	
Anatomical response footbed
	
Speedblade 4.0 holder with speedblade stainless steel runner