All Biker Shorts Listed below have amazing stretch. 

, BRIGHT MAUVE, KELLY GREEN AND NEON LIME OR THE BUTTER SOFT BRUSHED MICROFIBER BIKER SHORTS  WITH PERFECT STRETCH are  90% polyester 10% spandex

BLACK, DEEP SKY, AMERICANO, GREEN, HOT PINK, MINT, NEON CORAL, AND YELLOW, NAVY ARE PREMIUM COTTON BIKER SHORTS 95% cotton 5% spandex

MODEL WEARING MEDIUM 

COLOR MAY VARY SLIGHTLY DUE TO MONITOR RESOLUTION