Xcellent Global Cycling Combo: 3D Gel Padded Coolmax Bicycle Cycling Underwear Shorts (L) + Laser LED Tail Light M-FS005L Cycling shorts material: Good fabric 90% Polyester/Nylon 10% Lycra superior Laser LED tail lamp: 5 high light LED with 7 flashing modes, and two laser beams with two patterns(constant or blinking) Cycling Shorts Available Size: S/M/L/XL/XXL Package Includes: 1*3D Gel Padded Coolmax Bicycle Shorts + 1*Laser LED Tail Lamp