Speedo Junior Air Seal Tri Swim Goggle Modern and lightweight design offers superior soft frame performance Ideal for triathletes and open water swimmers or adult and junior consumers ages 8 or up looking for a comfortable stylish goggle for competition and training Curved lens, wide-angle technology provides maximum visibility, with UV protection and Anti-Fog Speedo's exclusive air filled gasket system offers ultimate comfort Single silicone headstrap with wide center shape and an easy-adjust side slider buckle for a quick custom fit