technical performance, highly breathable, with attention to detail. . oyuki go all out to equip riders for deep powder with their yamapro 3l collection. japan is known for incredible powder slopes and it was on these slopes that the goshiki yamapro 3l jacket was tested.this snow jacket offers you yamaproâ„¢ always dry technology for total waterproofing and breathability and great features to make your day in the backcountry that little bit better.the attention to detail immediately catches the eye with this jacket. all seams are sealed and taped with the design of former skater and now artist, toshikazu nozaka.the goshiki jacket offers the highest performance, great protection against moisture from inside and outside and durability for this season.