Ergodyne N-Ferno Classic Trapper Large/XLhat features durable nylon shell that keeps you warm, dry and renders resistance to wind as well as water. Hat has quilted satin crown lining with PU backing for protection and comfort. Durable Outer Shell - Windproof and water-resistant nylon outer shell. 60 GRAMS OF 3M THINSULATE Provides superior warmth. WATER RESISTANT CROWN LINING Prevents moisture from being absorbed into the lining. EAR FLAPS Button-down for warmth or up for better hearing. REFLECTIVE ACCENTS Help keep wearers seen and safe. ADJUSTABLE BUCKLE YKK buckle with a strap under the chin for the perfect fit. LIME SIZING S/M: 23. 228in (59cm) // L/XL: 25. 394in (64. 5cm). MACHINE WASH. BLACK SIZING XS: 23. 228in (59cm) // S/M: 25. 591in (65cm) // L/XL: 27. 165in (69cm). Ergodyne N-Ferno Classic Trapper Large/XLhat features YKK buckle with strap for comfort and is suitable for construction, warehousing, oil/gas refining applications.