Its a hard life being an mtb overshoe which is why the mt500 has been built as rugged as possible with very specific design features to cope with the winters in the woodsthe tough nylon faced neoprene upper has a welded centre seam to give a smooth comfortable finish and improve the levels of water protections the neoprene meets behind the zip to improve the water tightness and the zip itself has a snapdown puller to prevent it from creeping down as the velcro tab ensures a snug fitthe mould