These height-increasing sneakers will increase your height by 6cm. To increase your height by a further 1.2cm, select one size larger and insert 1.2cm Ezylift insoles. We don't recommend inserting 1.6cm Ezylift insoles as these may cause your heels to slip out.   FEATURES OF MR. BOLT DELTA BLACK Lightweight height-increase sneakers that add height Upper material: Premium grade cow leather Outsole material: Premium rubber Insole material: Non-compressing polyurethane with JENNEN cushion comfort layer Total height increase: 6cm Visible outer heel thickness: 2cm Hidden shoe insole thickness: 4cm   ABOUT MR. BOLT DELTA BLACK Just like its namesake legendary Usain Bolt — the fastest man in the world — Mr. Bolt elevator sneakers are fun, lightweight, and absolutely iconic. These sport-style sneakers can be matched with most casual and sports outfits. Mr. Bolt casual lifter shoes add 6cm to your height and help you elevate your confidence with ease and style. The premium-grade cow leather upper material of the shoe, along with the understated premium rubber outsoles ensures high durability even with regular use.