ASICS Piranha SP 5 - Men's The lightest shoe in the ASICS racing line, the Piranha SP 5 is perfect for the deadliest competitors. Seamlessly constructed, breathable mesh upper keeps your feet cool and fresh. Solyte midsole with a 4.5mm drop provides durable cushioning. DuoSole outsole design reduces weight and enhances flexibility. ASICS High Abrasion Resistant Rubber (AHAR) cuts down on wear, so your shoes last longer. Wt. 3.9 oz.