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The Tilley TCA Cape Accessory easily attaches to almost all Tilley hats, as well as other brands, to add UPF 50+ sun protection and block 98% of those harmful UV rays.
Tilley Men's Accessories Cape -Khaki 11ACCA00TCA10. Two Velcro tabs at the top allow you to attach it right to the wind cord on the outside of the Hat. The elastic allows for one cape to fit all sizes. This cape is certified UPF 50+.