This updated version of the Noosa Tri is designed to help create an energetic toe-off and have advanced energy savings.Perfect for: Daily training and runners who want a superlightweight shoe engineered with durable cushioning and explosive energy returnUpper: The engineered mesh improves breathability to keep feet cool and comfortable while also delivering a more flexible, adaptable fit. ' lightest, most energetic cushioning unit that helps create lightweight, soft impact absorption underfoot.ASICS is midsole PLUS™ The FF BLAST Lower: The full-ground contact design creates a smoother and more efficient ride, and the durable ASICSGRIP™ outsole with GuideSole™ construction absorbs the shock of every landing to reduce fatigue and conserve energy. Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Neutral: provides soft, even cushioning with an emphasis on comfort during any activity Lace-up style Removable, cushioned insole with arch support allows for custom orthotics OrthoLite® sockliner FF BLAST PLUS cushioning unit that helps create lightweight and soft impact absorption underfoot Synthetic and textile upper/textile lining/rubber sole Imported