The North Face Men's Apex Bionic Jacket is a windproof jacket for cool weather action outdoors. The TNF Apex ClimateBlock fabric is 96% polyester and 4% elastane, durable enough for day hikes and weekends at the cabin. The stretch allows you to move easily and wind won't stand a chance against the 0 CFM rating (100% windproof). A durable water repellent finish provides a bit of water resistance as well, so you have a bit of time to get inside when the rain starts to fall. Warm enough for mild weather without allowing you to overheat during activity makes this a go-to jacket for fall and spring.