VJ Spark is an unbelievebly accurate and comfortable trail running shoe that suits both hard running and experienced ultra trail dogs and enthusiastic beginners who want to start with a proper shoes! VJ Spark can handle any terrain without any hesitation but with greatly comfy feeling. It is light and fast, snuggly feet hugging shoe with manufacturers own rubber mix outsole combined with 5 mm lugs. The combination guarantees sharp and precises contact without a fear of slipping no matter if the trails take you to slipper wet rocks or to muddy debris. Upper is made out of durable and breathable nylon and CDP (Cationic Dyeable Polyester) mix giving even more comfortable feeling even on the longest runs. VJ Spark works also well in swim-run and obstacle course races!   Fit scale: 4 (wider) Gender: Unisex Forefoot: 11 mm Heel: 16 mm Outsole: Superior Contact Upper: Nylon, CDP Lug depth: 5 mm Weight: 242g (UK 8)