Alpinestars Youth SX-1 Knee Guard YCRF_mc_mx_boots clim8Technology Integration - Monitors temperature

clim8Technology Integration - Monitors temperature and automatically adjusts for optimal comfort

38mm(2-Body Belts/1 Chest Belt) With Buckle

including CE-rated armor for the back

Genuine Bell replacement parts

perforation on back

Alpinestars Youth SX-1 Knee Guard YCRF_mc_mx_boots clim8Technology Integration - Monitors temperatureFEATURES Extremely lightweight knee protection with large protective area for riders looking for most breathable and lightweight solutions on all riding styles Upper and lower frames are constructed from a high performance polymeric material blend for optimized levels of flexibility and strength as well as excellent weight saving properties Polymer protector plates are strategically perforated for maximum breathability and air ventilation The shell