Lululemon Wunderlust Backpack Review | With Photos | PS Fitness。Excellent condition inside and out Lululemon Wunderlust backpack in black with silver tone hardware. Exterior has 2 zippered side pockets. Top of bag closes with releasable drawstrings cover of top has zippered pocket with Lululemon symbol. Interior has slide pocket 10.5” deep as well as zippered compartment. There is a net pocket on side of interior. Adjustable closure buckles as well as adjustable back straps, loop in middle of back straps. Measures a 11.5” tall, 10.5” wide and approx 5” depth.