Free yourself and stay moving with the Patagonia Men's R1 Air Fleece Crewneck, engineered to keep you dry, warm, and comfortable whether you're hiking, running, or layering for a chilly day. The ultra-breathable R1® hollow-core fleece fabric and quick-dry design help you stay fresh through sweat and harsh weather, while the zippered chest pocket keeps essentials close as you pursue your active goals, so you never need to slow down.