Marcy Sand Filled Weighted Power Bag - 5kg

"These power bags from Marcy can offer an exciting new catalogue of exercises that can help your body become stronger, leaner and prepared for anything. The unstable nature of these bags means that stability muscles like your core and lower back also get heavily trained as well as your targeted muscle groups. You can use these weighted bags for exercises like squats, deadlifts, shoulder press, rows, lunges, throwing and dragging to challenge yourself in new ways."

Price: £49.99 from Tesco