ION Protection Wear Plus Amp Shorts Light-Impact Hip Protection If you have a good pair of mountain bike shorts, you can always enhance your comfort with a liner. The Ion Protection Wear Plus Amp Shorts offer light-impact hip protection while maintaining breathability and comfort with an integrated Elastic Interface seat pad. They feature Pro SAS-TEC hip pads that don't hinder your mobility and have ventilation built-in, shock-absorbing thigh and tailbone pads, and a comfortable high-performance SQ-Pad. Features Pro SAS-TEC ventilated hip pad that provides light-impact protection Shock-absorbing thigh and tailbone pads for added protection Elastic Interface seat padenhances your saddle comfort so you can ride longer Sizing Size Extra Small Small Medium Large Extra Large XX-Large Lower Waist Circumference (in)29 - 31"31. 5 - 33. 5"34 - 36"36 - 38"39 - 40. 5"41 - 43"Hip Circumference (in)33 - 35"35 - 38"38 - 40"40 - 42"42 - 44. 5"44 - 47"Inseam Length (in)30 - 32"30 - 32"32 - 33"34 - 35"34 - 35"35 - 36" | Ion | Protection | Wear Plus Amp Shorts Men's | Size Medium In 900 Black