Get your Pilates on with our hoodie sports bras! This bootcamp will consist of 5 Pilates exercises that you can do to tighten your core. Let's start the summer off right! What IS Pilates Exactly? Pilates is a form of exercise which concentrates on strengthening the body with an emphasis on core strength. This helps to improve general fitness and overall well-being. Similar to Yoga, Pilates concentrates on posture, balance and flexibility.