Hyperwear Hyper Vest PRO Adjustable Ultra-Thin Weighted for Men & Women USA-Made Xyflex® Performance Stretch Fabric, No-Bounce Compression Fit Includes Steel Micro-Weights, Expandable

NO-BOUNCE FIT FOR RUNNING AND HIIT - USA-made Xyflex stretch fabric locks the weight to your body with zero vertical shift during sprints, burpees and dynamic training. It moves with you, not against you. 4.5 kg (10 lb) of USA steel weights included PRECISION STEEL MICRO-WEIGHTS - each 64 g galvanised USA steel weight slides in and out for fine-tuned resistance. Start light and build gradually across hundreds of configurations, from a morning walk to a high-intensity circuit EXPANDABLE UP TO 18 KG (40 LB) - more weight pockets than the ELITE model. Max load by size: Small 9 kg, Medium 11.3 kg, Large 13.6 kg, X-Large 18 kg. Built for functional fitness, rucking, bodyweight workouts and strength training ADJUSTABLE UNISEX FIT WITH SIDE LACING - YKK front zip and adjustable side lacing dial in a snug, tailored fit for men and women. Slim and comfortable over or under clothes, discreet enough for the office or a walk to work MACHINE WASHABLE, BUILT FOR DAILY USE - remove the weights, machine wash cold, air dry. An ultra-thin profile that disappears under a T-shirt, strong enough for your most demanding sessions. Designed in the USA