The pants are made of 280 gsm twill cotton with double reinforced knee areas. The cuffs have four rows of stitching. Only pants, no jacket included. Pants: 280 gsm twill cotton. This gi will shrink approximately 1-5 % after 5 washes at 30 degrees celsius. Please read size guide and washing instructions below. If you have any questions, please contact customer service . Also read the Rebelz Ultimate BJJ Gi Guide for advice and tips.