Introducing | The New Catalyst Field Shirt from Triple Aught Design.

Durable and versatile, the Catalyst Field Shirt brings technical performance and modern design to an adventure staple.

Drawing from the rich heritage of shooting jackets and heavy flannel shirts, Catalyst sets the standard for comfort and adaptability. Combined with a baselayer, Catalyst wards off the chill on summer nights around the campfire, or on early morning starts. Toss on a shell or jacket, and Catalyst provides breathable warmth without overheating.

Capable Comfort – Soft, breathable, and built for all day wear, Catalyst features two zippered hand pockets, two secure chest pockets, and an interior zippered pocket. Double snap cuffs roll up easily so you can get your hands dirty, and the traditional shirt tail hem provides extended coverage.

Reliable Companion – Reinforced shoulders and elbows augment the resilient ripstop nylon shell with extra abrasion resistance where it counts. Catalyst is easy to care for, dries quickly, prints minimally, and travels well.

Active Insulation – Polartec’s revolutionary Alpha® material, developed alongside US Special Forces and now adopted as their standard issued insulation, is an advanced, breathable insulation technology that works during both rest and dynamic phases in the field.