Atomic Flannel Long Sleeve Shirt

The Atomic Flannel Long Sleeve Shirt combines timeless styling with active comfort. Its medium-thick, flexible flannel provides warmth without unnecessary bulk, while the classic collar and chest pocket add versatile everyday appeal.

Designed for movement and treated with Polygiene® antibacterial technology, it helps stay fresher for longer and suits anyone looking for an easy-going shirt that transitions naturally between mountain adventures and daily wear.