ION S-Sleeve Amp Shin Pads Light-Impact Protection Wearing protection can be great in more ways than one. When it comes to aggressive mountain biking, wearing shin pads will help protect you from whatever the trail throws at you. The ION S-Sleeve Amp Shin Pads converts all knee pads (besides the K-Pact Amp HD) into a knee-shin combo. It has SAS-TEC main padding that provides light-impact protection against pins, rocks and any overgrowth you ride through. The Ultra Aramid is tightly woven and contributes to sturdiness and durability while the breathable mesh inserts enhance breathability. Features SAS-TEC Main Padding that provides light-impact protection Breathable mesh inserts enhance breathability Ultra Aramidadds to the sturdiness and durability Sizing Size Small Medium Large Extra Large XX-Large10cm Above Knee (in)14. 8 - 16. 5"16. 5 - 17. 4"17. 4 - 18. 3"18. 3 - 19. 2"18. 3 - 19. 2"15cm Below Knee (in)13. 2 - 14. 2"14. 2 - 15. 1"15. 1 - 16"16" - 16. 9"16. 9 - 18. 1" | Ion | S-Sleeve Amp Shin Pads Men's | Size Small In 900 Black