Blundstone Comfort Air Footbed is a breathable PU insole that is washable and anti-bacterial. Great insoles for adding all-day comfort and support to your favourite Blundstone boots. Available in UK sizes 5-7, 8-10, 11-13 PU footbed insole made from all-day comfort Breathable design for dryer feet Antibacterial and washable to help keep your Blundstones smelling their best Suitable for men's & women's boots Size: UK5-7, UK8-10, UK11-13