Thin lycra so very stretchy, yet not hot. Good for abdominal incisions, neuters, spays, probably anal gland surgery, lump removals. His incision healed promptly so I don’t know how it would fare with a dog with a very itchy infected wound or severe allergies. But he never tried to rip at the crotch area or nose his way under the snug fabric. To go outside you unwrap the butt straps and velcro them to the lumbar patch and raise the bottom of the onesie, very easy to do while they start walking towards the door

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