Built Tough. Worn With Pride. The Leather Chin Straps from Box 31 Leatherworks are crafted for the fire service professional who demands durability and function. Built from premium, full-grain leather and assembled with heavy-duty double-cap rivets, these straps are designed to hold up through years of service. Key Features: Premium leather strap width: ¾" — durable and comfortable. Attaches via your helmet’s hardware: choose between Chicago screws or Line 24 snaps depending on your helmet model. Two style options: West-Coast Style — Continuous strap, no quick-release, ideal for traditional clearance and draping. Quick-Release Style — Includes plastic quick-release buckle for rapid donning/doffing, ideal for modern structural helmets. Lead time: Ships in approx. 2 business days for standard configuration. Why Firefighters Choose Box 31:With a shop committed to fire-service gear, you get more than a strap — you get a component designed by firefighters, built for the job. Our chin straps offer ready-for-service performance and are backed by our commitment to durability. Fit & Installation: Measure from d-ring to d-ring to confirm correct length (West-Coast: ≈ 29″; Quick-Release: ≈ 26″) Select attachment hardware based on your helmet: Chicago screws for composite/TL2 helmets, or Line 24 snaps for metal d-rings. Ready to Order: Choose your style, select your hardware type, and complete checkout — we’ll handle the rest and get it on its way fast.