The Northumbria is built using Barbour's heaviest 8oz Sylkoil waxed cotton

Its robust tartan-lined interior

Machine wash at 30°C

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Outer: 100% Cotton

Barbour Wax Cap | Sage Size:7 1/8 The Northumbria is built usingThis versatile sports cap is ideal for those who're active outdoors in any weather. Traditionally styled using 6oz Sylkoil waxed cotton which offers protection with a soft, matte finish and a more flexible feel. Extremely water resistant with features including stiffened peak features an antique brass stud, and a 100% cotton Barbour tartan lining completes the classic look. Features: 6oz Sylkoil Barbour Tartan Lining Extremely Water Resistant