RVM shoes by Etnies Vulcanized construction Lower hidden lace loops Triple-stitch toe cap Padded tongue and collar System G2 inserted into heel STI Foam Lite Level 2 footbed 400 NBS rubber outsole JP Walker Collaboration DTTF Pro When maximum board feel is desired by our professionals, they reach for shoes with Drop To The Floor ("DTTF") Pro insoles inside. By removing the midsole from the shoe and replacing it with a DTTF Pro insole, the foot is put even closer to a board for enhanced board feel and control. There are two levels of DTTF Pro: DTTF Pro 1 is made of single density PU foam. DTTF Pro 2 contains our new Double Down gel in the heel for added heel bruise protection.