The Airplus Ultra Work Memory Plus Insole is ideal for everyday wear including standing on hard surfaces and rugged worksites. Memory foam molds to the foot for personalized fit comfort and lasting support. Targeted heel protection helps absorb shock with every foot strike. Charcoal as an antimicrobial top coat protects against odor-causing bacteria. The Ultra Work Memory Plus Insole is ideal for any type of work boots casual shoes or sneakers for adult males.