A heat exchanging pack comprises a substance receiving portion, a first strap receiving portion disposed adjacent a first side of the substance receiving portion, a second strap receiving portion disposed adjacent a second side of the substance receiving portion, and a strap configured for releasably coupling the heat exchanging pack to a portion of a body. The strap includes a first portion extending through the first strap receiving portion, a second portion extending between the first strap receiving portion and the second strap receiving portion, a third portion extending through the second strap receiving portion, and a fourth portion extending out from the first strap receiving portion. The second portion and the fourth portion of the strap are configured to extend at least partially around a portion of a user in need of treatment to releasably couple the heat exchanging pack to the portion of the user.
