Cold temps won’t cramp your style when you’re rocking the Alpine Tundra Cap. The warmth stays in with Cross Core™ Aerogel insulation while the cozy flannel liner keeps you toasty. The BreezeBlocker™ windproof ear flaps on this low profile, approachable ball cap can be folded up and away when temps rise. Made from recycled content and PFAS-durable water repellent finish this warm cap is also rated UPF 50+.