On Jacob, left: Navy striped jacket, $375 (part of suit) at Ralph Lauren; United Colors of Benetton Kids long-sleeve T-shirt, $24 at United Colors of Benetton; jeans, $19.90 at H&M.

On Max, right: David & Goliath T-shirt, $22 at Yellow Rat Bastard; United Colors of Benetton Kids plaid button-down shirt, $28 at United Colors of Benetton; denim cargo pants, $86 at Petit Bateau.