ALPINESTARS Youth SX-1 Knee Protectors - Black/Red - Small/Medium 6546319-13-SM Replacement Soles and Inserts — Outsole Insert Replacement boot soles for Alpinestars

Replacement boot soles for Alpinestars boots

Bottom and internal soft section (neck sides) provides comfort for the shoulders and neck

Slim fit stretchable fabric construction Features a floating

Standard with rivet-typed masterlink

ALPINESTARS Youth SX-1 Knee Protectors - Black/Red - Small/Medium 6546319-13-SM Replacement Soles and Inserts — Outsole Insert Replacement boot soles for AlpinestarsExtremely 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 integrated