technical performance, highly breathable, with attention to detail. . oyuki go all out with their yamapro 2l collection to equip riders for the resort and shorter trips into the powder. this snow jacket features yamaproâ„¢ always dry technology for total waterproofing and breathability, and 60 grams of primaloft® gold insulation to keep you warm.the attention to detail immediately catches the eye with this jacket. the inner lining features the design of former skater and now artist, toshikazu nozaka.highest performance, great protection against moisture from inside and outside and durable comes the miharashi jacket for this season.