Description: SONIC JR singleshell swimming goggles are made of extremely soft, flexible and nontoxic silicone, pressed LSR (Liquid Silicone Rubber). It provides the highest comfort of use, guarantees the strength and durability of glasses while minimizing the effect of aging of the material. LSR is also a high resistance to damage and a guarantee of maintaining the flexibility lost due to high and low temperatures and UV rays. SONIC JR glasses are made of scratch and damage resistant polycarbonate (Hard High Grade Polycarbonate). SONIC JR glasses have antiFog glasses with a nonevaporating surface and a UV filter. SONIC JR glasses are designed for teenagers and children.