YNS compatibility is achieved by removing the EVA back puck panel and engaging the elasticated YNS pull tabs

and Alpinestars engineered ergonomic mobility

highly flexible design which provides impact and high abrasion protection within a breathable mesh sleeve for excellent levels of airflow and comfort

The Kids Racer Jersey comes in two distinctive and aggressive color combinations and is designed to match the Kids Racer Pants for a total performance look and feel

slim and highly ventilated

tech 1 k start v 2 sh Size:3.5 YNS compatibility is achieved byWith a newly designed forefoot profile, Achilles friendly collar design, breathable laser perforations and reinforced external heel, the Tech 1 K Start shoe is constructed from durable and lightweight microfiber for optimized levels of protection, comfort and performance fit.