Modifiers matching shoes:

• fitting,
• nice,
• lightweight,
• outdoor,
• tight,
• comfortable,
• casual,
• soft,
• typical,
• treasured,
• closed,
• active,
• specialized,
• small,
• athletic,
• exportable,
• sturdy,
• sole,
• walking,
• white,
• conventional,
• large,
• formal,
• special,
• particular,
• soled,
• low,
• sporting,
• toed,
• heavy,
• stock,
• common,
• wholesale,

Simple categories matching sturdy:

• material,
• equipment,
• substrate,
• cutter,
• furniture,
• object,
• protection,
• pan,
• bench,
• prop,
• surface,
• fabric,
• instrument,
• pole,
• green,
• herb,
• container,
• toy,
• structure,
• metal,
• book,
• bag,
• device,
• footwear,
• enclosure,
• predator,
• shelter,
• stuff,
• bicycle,
• cotton,
• plant,
• board,
• clothing,
• paper,
• furnishing,
• support,
• cloth,
• stone,
• wood,
• clothes,
• component,
• brush,
• card,
• fixture,
• box,
• compound,
• paint,
• stick,
• base,
• pot,
• shoes,
• item,
• tree,
• product,
• post,