ALPINESTARS Nucleon KR-R Cell Back Protector - Red/Black - Small 6505020-009-S Youth Tech 3S Boots — 37 and use tempered steel drive

and use tempered steel drive plates that are quality-checked for flatness

Passes AMA/FIM sound regulations

Chin-strap: Wider than certification requirement: 26 mm for comfort and produced with a woven poly yarn to give a soft ‘hand’ feel that connects securely with a double D-ring

high-quality replacement seat foam

and underarms for high levels of breathability

ALPINESTARS Nucleon KR-R Cell Back Protector - Red/Black - Small 6505020-009-S Youth Tech 3S Boots — 37 and use tempered steel driveDeveloped in three waist to shoulder dimensions in order to cover all body sizes The new Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties Extended lower back protector offers many protection to the rider Highly perforated for maximum breathability and ventilation The ergonomically designed protector contours to the natural curve of the back