Key Features Nike Grind: The Nike Grind Dumbbell is made from at least 20% Nike Grind rubber by volume, a byproduct of Nike's footwear manufacturing process. Durable: It features swoosh branding, durable rubber, and sculpted edges for comfort and durability in training. Secure Grip: The medium knurled handle offers a secure grip with an ideal balance of friction and control. Versatile: This dumbbell supports countless workout movements for athletes. Nike-Only: Designed to inspire workouts, it combines functionality and Nike's "Just Do It" spirit.