https://sierramadreresearch.zendesk.com/hc/en-us/articles/4417671619099-Husband-is-6-4-how-well-does-the-Puffle-accommodate-someone-that-height-It-Looks-as-though-it-has-6-to-spare-but-some-of-that-is-lost-when-the-bottom-is-tied-
It should come to the bottom of his chin in top quilt mode.