Neck Flex

Neck Flex is a fitness and performance accessory brand that specializes in neck training and strengthening tools designed to improve neck strength, stability, and athletic performance. Their core product, the Neck Flex 360° Neck Trainer, uses a resistance bar and head harness system that allows users to train neck muscles through a full range of motion with adjustable resistance bands—helping build strength in the sternocleidomastoid, trapezius, and other supporting muscles.