This Level 1 armor piece fits perfectly into many shoulders, elbows and knee pockets. We use this piece for our tailbone in our pants and shorts. CE-Level 1 Shoulder, Elbow, Knee and Hip Also used as a tailbone protector for Bohn Pants and Shorts Highly flexible viscoelastic soft foam contours to your body for nearly custom fit; extremely flat design, almost invisible under clothing Soft, lightweight + comfortable during wear yet provides exceptional impact protection Rugged, high-performance construction fits into existing pockets European designed and manufactured by SAS-TEC for Bohn using Triple-flex material Multi-use (crash) construction – inspect only for visible damage after a spill Approx size 5.25 in (top) / 2.25 (bottom) wide x 8 in long x .23 inches thick Weight 1.75oz per piece If you are looking for an Elbow, Knee, Shoulder, Hip or Tailbone that best fits Bohn products please click here>>