90% Polyester and 10% Lycra biking capri.  Quick drying with reflective stripes on hip and thigh.  Coolmax material won't adhere to the skin.  

Sizing:

S- 21" Waist X 11" Length,  M-23"x11",  L-24.5"x12",  XL-26"x12",  XXL-27.5"x12"