Designed to overcome the challenges of changeable weather the grasmere fleece from peter storm is an ultra soft mid layer which can be worn alone on mild days or layered under a shell for excellent weather beating performance its cosy polyester fabric construction seals in valuable heat allowing you to continue comfortably on chilly walks and its half zip pullover style allows you to manually vent the fleece to cool yourself when activeactivitywalking hikingcolour swatchbluefasteninghalf