Can-Am Spyder Women's Summer Mesh Riding Jacket - Medium Inside pouches for inserting optional back, shoulder and elbow protectors (sold separately). Easy access pockets, including one for MP3 Mininum of 23.25 in2 (150 cm2) of 3M reflective details. Adjustable side waist, bicep, forearm and sleeve opening Gussets at back armhole. Removable light insulation Nylon fabric treated with Teflon Shell: Nylon, Polyester