snow pants with high stretch content made from 100 % recycled polyester . the jones shralpinist stretch pants come with a highly functional 3-layer shell construction that offers you absolute protection from wind and weather and a high stretch content. with a 30k water column and breathability, it reliably keeps wetness out and ensures rapid moisture-wicking inside.generous pockets, ultra-stretch fabric, integrated recco system and gadgets you won't want to be without in powder round off the jones shralpinist pants.