i bought this for myself its adjustable! similar to KONNY, bought this as me and hubs got big size difference ! this way he also can use https://japhethchiara.com/collections/baby-carrier-adjustable/products/mesh-series-adjustable-aerial
konny has a new series which is adjustable. konny flex. look up.
Lazada has a few choices.
Mini monkey sling
mini monkey sling
Ergobaby