NFL San Francisco 49ers Kids Sunglasses by Siskiyou. $8.99. Officially licensed NFL product^Measures 5" width^Maximum UV protection^Rubber tipped arms^Silk screened team logo. Time for the kid's to get in the game! Our San Francisco 49ers kid's sunglasses are a great way to share in your love of the game. The lenses are UV400 and provide 100% protection against UVA and UVB radiation. 100% Lead Free.