Alpinestars Youth SX-1 Knee Guard Size:S/M Lightweight Fiberglass composite shell

Lightweight Fiberglass composite shell

They will give you all the freedom to move around both on and off the bike

polypropylene

Outer shell material: Mesh

Alpinestars Youth SX-1 Knee Guard Size:S/M Lightweight Fiberglass composite shellFEATURES 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