Exclusively crafted for your HYROX performance, the Centr x HYROX Sandbags are engineered with everyday versatility to be your true training companion. Cordura®  nylon construction with reinforced double-stitched seams, seven non-slip nylon handles, and dual heavy-duty Velcro®  enclosure for durability and longevity, this training tool is made with the athlete in mind. It comes in three different weights, allowing you to control your effort as you engage in race-day Sandbag Lunges or a diverse range of other exercises that will push you to be your best. Double stitched at each seam to withstand your most strenuous workouts  Seven external nylon handles so you can hold on in any position Inner filler bags with double Velcro® locking system ensures no sand gets out and no moisture gets in  Centr is the Official Equipment Provider of HYROX. Centr and HYROX are taking the World Series of Fitness Racing to the next level with the world's first ever competition equipment made for the sport. Engineered with durability and performance in mind for training at the gym, at home, and in competition.