The adidas 4kg neoprene dumbbell is great for incorporating into your workout routing as it will encourage strength building and muscle toning whether you want to focus on specific dumbbell exercises or use it to increase the resistance of other drills and workouts its a very handy piece of fitness equipment the soft and smooth neoprene coating helps promote tighter grip so you can use it safely and confidently even when you start perspiring it also has a non slip anti roll design so you c