Walker sleep sacks allow for greater mobility for early walkers and toddlers with foot hole openings. Fold back ankle cuffs close off the opening at night so toddlers stay warm and cozy. Impossible to kick off. Sizes 6 months - 4 Years. Pick from sleeveless or long sleeve wearable blankets in summer weight rib knit and four seasons fleece. Pair with other organic cotton pajamas such as ourrib knit footies andpajama sets.