BikeBike AccessoriesMen's Body ArmorAlpinestars - Evolution Knee & Shin ProtectorView Larger ImageAlpinestars Evolution Knee & Shin Protector25% Off$74.96 $99.95Select style & size:Select optionsSelect optionsBlack Gray Red, S/Msale $74.96Black Gray Red, L/XLsale $74.96Quantity:−+ Add To CartAdd To Wish ListDetailsTech SpecsReviewsSize ChartTech SpecsMaterial:[face fabric] synthetic ripstop, [internal] polyethylene foam, polyester meshClosure:hook-and-loop elastic strapsProtection Area:knee, shinCertifications:CE CertifiedRecommended Use:enduroManufacturer Warranty:21 daysReviewsQ & A Alpinestars Knee & Shin Guards SMLXL Knee Circumference (10cm above knee) 15.4 - 16.5in (39 - 42cm) 16.5 - 17.7in (42 - 45cm) 17.7 - 18.9in (45 - 48cm) 18.9 - 19.7in (48 - 50cm) Calf Circumference 12.6 - 13.8in (32 - 35cm) 13.8 - 15in (35 - 38cm) 15 - 16.1in (38 - 41cm) 16.1 - 16.9in (41 - 43cm) S/ML/XL Knee Circumference (10cm above knee) 15.4 - 17.7in (39 - 45cm) 17.7 - 19.7in (45 - 50cm) Calf Circumference 12.6 - 15in (32 - 38cm) 15 - 16.9in (38 - 43cm)