Studio Wardrobe › Birch Linen Bonnet with Ruffle Brim Image 1 of 2 Image 2 of 2 Birch Linen Bonnet with Ruffle Brim $0.00 A beautiful and unique baby bonnet made from True North Sling's gorgeous linen. Quantity: Purchase Added! A beautiful and unique baby bonnet made from True North Sling's gorgeous linen.