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

clim8Technology Integration - Monitors temperature and automatically adjusts for optimal comfort

perforation on back

Genuine Bell replacement parts

Includes: switch buttons

don't call it underwear

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