Durable design, warm waterproof protection with a cool look, comfortable construction and a dialed-in fit -Espo Mid 2 WP BOA Warm is ready to unlock their next adventure. These winter boots offer versatility for wherever (and whenever) they go, with reflective details, waterproof construction, and multidirectional rubber outsoles that can handle whatever the day throws their way. Espo II Mid WP BOA features the BOA Fit System, perfect for creating a custom fit and kids always on the move.