Inov-8 Men's F-lite 235 V2 (M) Cross Trainer Synthetic and Textile Imported Rubber sole Shaft measures approximately low-top from arch For versatile training. Supreme stability: The same high density Power heel technology, zero drop proprioception, and new heel lock construction delivers maximum stability when lifting weights. An ultra secure fit: ADAPTERFIT Met-cradle adapts to the natural movement and swells with the foot when in motion during fast, hard lateral and medial movement. New welded overlay construction reduces weight while maintaining ultimate fit and flexibility. Natural flexibility: Next generation Meta-flex technology allows optimal multi-directional flexibility and the metcradle lacing system holds your foot secure in the shoe ensuring the shoe moves naturally with the foot. Unrivaled grip: The unbeatable grip expected in all inov-8 models with 360 degree Rope-tec extended onto the shoe's upper for traction and durability on rope climbs.