100% strata jr mud gogglesthe great design that you love but in a smaller, youth specific size. The strata jr mud goggles are for when things get especially muddy the strata mud goggles provide reliable protection to keep your vision clear in the harshest of environments.lens100 percents strata mud goggles come with a large lexan lens that has been specially curved to provide the ultimate stretched peripheral vision and extended shield of vision. The lens comes with a 9 pin retention system which is the highest number used within the industry for a tough hold. The goggles come with a mud flap and two rolls of film included which provides the ultimate protection in the muddiest environments. To help you keep the lens even clearer for longer an anti fog lens coating which keeps the lens clear in hot and humid conditions.framethe frame is constructed from urethane which is a super lightweight and flexible material which offers incredible comfort as well as being incredibly rugged ensuring a strong base to the goggles. The interior of the frame is coated in a specialised foam which comes with a ventilated design to cushion your face and keep your cool and dry when youre at your most active. The goggles are kept in place by a 40mm silicon coated strap that is compatible with most mtb helmets.featuresyouth specific fitspecialised curved lens designanti fog lens treatmentincreased vent interior foamlexan lens constructioncomes with tear off pins9 pin retention systemurethane frame construction40mm silicon coated strapcomes with mud flap and 2 rolls of filmclass buy 100% eyewear from chain reaction cycles, the world's largest online bike store.