100% ring-spun U.S. cotton in 6.4 oz lightweight fleece Garment-dyed for lived-in feel with minimal shrinkage. Relaxed fit with differential rise for better fit, side-seamed construction. Natural flat drawcord waist, jersey-lined side pockets. Elastic ankle cuffs. OEKO-TEX certified low-impact dyes, U.S. Cotton Trust Protocol member. Vinyl vibes robot design printed in crisp detail. Runs true to size.