Flexible, not bulky, protection for chest, sternum, side ribs, perfect for youth baseball. Unfortunately, they don't make it anymore, and have instead replaced it with one that only offers chest protection <sigh>. PLEASE BRING THIS MODEL BACK! new version here; McDavid 7620 Youth Hex Confidence Shirt, White, Small https://www.amazon.com/dp/B00BN2IONE/ref=cm_sw_r_cp_taa_mbG2Ab87MKJCQ