On Andrew, left: Long-sleeve T-shirt, $38 at Petit Patapon; David & Goliath short-sleeve T-shirt, $22 at Yellow Rat Bastard; cargo pants, $34.50 at Gap; Converse sneakers, $25 at Foot Locker.

On Lukas, center: T-shirt, $83 at Burberry; Biwali cotton striped sweater, $57 at Kendall’s Closet, Koh’s Kids, and Lester’s; Jean Bourget trousers, $75 at Greenstones, Lester’s, Space Kiddets, and Z Baby; Converse sneakers, $20 at Foot Locker.

On Michael, right: United Colors of Benetton Kids T-shirt, $24 at United Colors of Benetton; moss pants, $29.50 at Gap; Converse sneakers, $25 at Foot Locker; Ralph Lauren khaki coat with plaid lining, $150 at polo.com.