Men's Nunn Bush Cam Moc Toe Slip-On Shoes Men's Nunn Bush Memory Foam Comfort Slip-Ons. Get classic style and cushioned comfort with the Nunn Bush Cam Moc Toe S/O! These casual loafers feature memory foam insoles with comfort gel cushioning in the heel, as well as genuine leather uppers and lightweight traction outsoles. Get traditional style and superior comfort with the Nunn Bush Cam Moc Toe S/O!