Pls choose the size according the size Introduction,If you are still not sure,Pls contact DuShow ,we will give you the best advice. WOMEN'S Size Small: Height(5'1"-5'5") Weight(88-103 lb) Medium: Height(5'3"-5'6") Weight(106-121 lb) Large: Height(5'5"-5'9") Weight(123-143 lb) X-Large: Height(5'7"-5'10") Weight(145-158 lb) XX-Large: Height(5'7"-5'11") Weight(161-176 lb) XXX-Large: Height(5'7"-5'11") Weight(178-194lb) Product Details: 1:Jersey (100% polyester) 2:Using Italy imported transfer print inks, vibrant and never fade 3:Longer back hem 4:Three back pockets 5:Full invisible zipper,sewing fine 6.Suitable For cycling,biking,hiking, mountain bicycle and other outdoor sport activities