SIZE CHART:order a size up would be recommend S: bust 54cm, waist 50cm, hips 60cm, suitable for height 95-105cm M:bust 58cm, waist 54cm, hips 64cm, suitable for height 105-115cm L:bust 62cm, waist 58cm, hips 68cm, suitable for height 115-125cm XL:bust 66cm, waist 64cm, hips 74cm, suitable for height 125-135cm XXL:bust 70cm, waist 68cm, hips 80cm, suitable for height 135-145cm Warm & Safe: This 2.5mm Shorty wetsuit keeps your child warm underwater,covered area preventing body against reef injuries abrasion and jellyfish stings. Sun Protection & Stretch: Provide UV UPF 50+ sun protection, protect your baby's delicate skin from the harsh sun. Super stretch for water-sport and underwater activities. Back Zipper: Zipper with draw cord for easy on and off , fastener secure the zipper from being glided. Shark-skin design: Shark-skin like section in chest made of CR neoprene, effectively reducing water resistance, increasing buoyant. Note&care:Please do refer to the size chart on the description before purchase,order a size up would be recommend !!! Hang dry in the shade, dry off for tucked preservation.