The central half zip on the regatta trailhike fleece provides ventilation without effecting its thermal properties whilst making it easy to take on and off features warm microfleece 210gsm 1 side anti pill thermal balance plus fleece for a lightweight but warm mid layer half zip active fit polyester stretch side panels so your fleece moves when you move fitted cuffs stretch binding to cuffs and hem ensure your fleece wont roll up when you dont want it to zipped chest pocket for e