The Bloc Spider is Junior Sunglasses, they're designed for general day uses and for days out doing activities. Bloc have made them using bi-molded temples and they also have soft grippy rubber on the arms to unsure they stay. The frame is medium sized. They also have Optical class 1polycarbonate lens for maximum strength and UV protection.
Lightweight BX1000 core injected temple tips,
Suitable for Junior faces,
Maximum UV protection