OTZ Shoes - Linen Slip-on 3702 - Bossa Nova - 44 EU (11 M US Men) canvas Model: OTZ-300GMS - premium quality goat suede leather - 3707. Italian made coarse linen has been stone washed for a completely unique look and feel. Fitted with OTZs anti-microbial patent pending CORKlite footbed which is lightweight and designed to promote a healthy posture. The cork footbed gradually moulds to the shape of your feet. Cork has antimicrobial properties which reduces bacterial build-up and allows you to wear the shoes without socks! Natural jute co-moulded rubber outsole. Upper is stitched directly to the rubber outsole creating a unique design using minimal glues.