Ben Sherman Tonic Mens Sandals in Black. These feature a synthetic nubuck upper with twin buckle fastening. They have a textile padded sock for comfort, a PVC midsole, and an EVA outsole. The sandals also boast printed branding, textile and synthetic lining, a contoured and lightly cushioned footbed, and a synthetic sole. Product code: TONIC. The Ben Sherman Tonic slides blend timeless style with exceptional comfort. These black leather sandals offer a sophisticated twist on casual summer footwear, featuring distinctive branded buckles for that authentic Ben Sherman touch. The natural cork mid-sole adds visual interest while the cushioned insole ensures all-day comfort. Perfect for warm-weather outings, these premium slides effortlessly combine practicality with the brand's renowned British heritage styling.