Engineered for youths this style is big on protection and performance. A small version of the well loved Stoat. The BLOC Junior collection incorporates all of the technical features inherent in our adult styles. BLOC frames utilises tough and compliant KARBON TX™ bi-core injection frames and are hand finished. They are flexible, lightweight and designed for comfort, fit and performance. The sports hinge offers both strength and performance. This Cat 3 optical Class One lens provides Maximum protection against UVA/UVB and harmful blue light up to 400nm. Distortion free and impact resistant. Tested to BS EN ISO 12312-1:2013. A high protection lens more suited for bright conditions. (Lifestyle and sport) Conforms to EU Standard BS EN 1836 : 2005 A1:2007