Stretch plain weave fabric. Outer - 67% Polyester 29% Viscose 4% Elastane. Crop leg is shorter then Byron. Avalon has a large 9cm hem, so can be easily lengthen or shortened. Slim leg pant with fly front and elastic back. Slim pant will not fit all body shapes. Women who find pants often fit at the hip but are too loose at the waist, may need to up a size or purchase Byron straight leg pant. Can be worn with or without fabric belt. Unlined. 2 front horizontal pockets and 2 rear pockets. Small Newcastle Permanent embroidered logo on right rear hip. Our size 10 model is 172cm tall, and our size 20 model is 173cm tall.