686 Sierra Fleece Flannel 2026

All the rugged style of a classic flannel, upgraded with cozy fleece warmth — the 686 Sierra Fleece Flannel is your go-to layer from mountain mornings to city nights.

Flannel Looks. Fleece Comfort.

• Polyester Fleece-Lined Body: Combines the iconic style of a button-up flannel with the insulating warmth of fleece.
• Button Front Closure: Classic styling with easy wear and layering versatility.
• Dual Chest Pockets: Functional storage that keeps the look authentic and clean.

Everyday Wear with an Outdoor Edge

• Perfect for layering over tees or under outerwear
• Brushed fabric interior feels soft and traps warmth
• Drop-tail hem provides extra coverage in back
• Works equally well on chilly hikes or chilly bar patios

Bottom Line: The Sierra Fleece Flannel is where style meets utility — a winterized take on your favorite flannel shirt with added performance warmth.