All collar styles are adjustable
Plastic Buckle: a classic dog collar style. We use black side-release buckles that have ~330 lbs of break strength.
Reccomended for: light to moderate pullers
Limited Slip: a slip-over-the-head dog collar that is typically used for dog's who pull or slip out of their collars. The loop on limited slips pulls off to the side and has a stopping point to prevent choking your dog.
Reccomended for: light to heavy pullers
Fabric Martingale: typically used for leash training, sighthounds, and escape artists. Martingales are a classic slip-over-the-head style with a loop that is separate from the main collar band and pulls evenly from each side of the collar as the dog pulls. These also have as a stopping point to prevent choking your dog.
Reccomended for: light to heavy pullers
COBRA Buckle: a black, military-grade metal buckle that is both badass and incredibly strong. These have ~800 lbs of break strength.
Reccomended for: extremely heavy pullers and dogs that chew on their collar buckles.
More info about collar styles can be found in each collar page.