Wherever you go it can go with you ultra light packable performanceat only 39g in weight and packing down into it39s own stuff sack this is one bit of kit you can take with you at all times the ultralight vest is particularly useful in hot and mountainous terrain where some extra protection on long mountain descents is a bonus protecting you from wind chill at high speed however even on flatter roads you39ll still benefit from it39s incredible lightweight wind protection perfect