UNIQLO Fleece-lined Long Pants Warm Pants Gray 125-135cm The outer material is not the typical "shaka-shaka" type, but a sturdy material like cotton. The inside is fleece-lined. There is a stain around ↓ and discoloration on the knees and the seat. Color...Gray系 (Gray-based) Pattern/Design...Solid Pant Length...Full Length Season...Winter