Bionic Plasma Knee Protector Size:S/M As with all of Alpinestars

As with all of Alpinestars motorcycle boots

Soft 4-Way Stretch Fabric

Strap: 40mm silicone coated strap holds your goggles in place

MX Plus Socks Black/Gray/Yellow Fluoro S

and are exchangeable between all shell sizes

Bionic Plasma Knee Protector Size:S/M As with all of AlpinestarsAnatomically profiled for all forms of off road riding, the Bionic Pro PLASMA Knee Protector has been engineered to be lightweight, breathable, comfortable and protective, and features a removable Nucleon PLASMA knee protector embedded into a chassis that is abrasion resistant on the outer and highly breathable on the inner for maximum performance. Two independent thermoplastic shells are strategically positioned over the patella for enhanced levels