Halfdays' ultralight half-zip windbreaker, designed with breathable ripstop nylon for all your on-the-fly expeditions. Design: Relaxed, slightly oversized fit that allows for effortless motion and keeps layering in mind Breathable build keeps you cool on warmer days and doesn't trap heat Ultralight ripstop nylon, because nothing should hold you back Cuts breeze for performance in windy conditions Additional Details Designed for 65degF to 85degF temperature range