Warm Belly Youth Neoprene Wetsuit - Key Lime 6 months: Chest (A) 16.5 in., Waist (B) 15.75 in., Hips (C) 16 in., Thigh Opening (D) 8.5 in., Top of Shoulder / Front of Crotch (E) 14 in. Clothing Size: 0 - 6 mos., Height: 18 - 24 in., Weight: 10 - 15 lbs. 12 months: Chest (A) 17.5 in., Waist (B) 17 in., Hips (C) 17.5 in., Thigh Opening (D) 9 in., Top of Shoulder / Front of Crotch (E) 14.5 in. Clothing Size: 6 - 12 mos., Height: 24 - 28 in., Weight: 14 - 20 lbs. X-Small: Chest (A) 19 in., Waist (B) 18.5 in., Hips (C) 19 in., Thigh Opening (D) 10 in., Top of Shoulder / Front of Crotch (E) 15.5 in. Clothing Size: 12 mos. - 2T, Height: 30 - 34 in., Weight: 20 - 26 lbs. Small: Chest (A) 20 in., Waist (B) 19.5 in., Hips (C) 21 in., Thigh Opening (D) 10 in., Top of Shoulder / Front of Crotch (E) 18 in. Clothing Size: 2T - 4T, Height: 34 - 40 in., Weight: 25 - 40 lbs. Medium: Chest (A) 23 in., Waist (B) 22.5 in., Hips (C) 25 in., Thigh Opening (D) 12 in., Top of Shoulder / Front of Crotch (E) 19 in. Clothing Size: 4T - 6T, Height: 40 - 49 in., Weight: 35 - 50 lbs. Large-Slim: Chest (A) 23 in., Waist (B) 22.5 in., Hips (C) 25 in., Thigh Opening (D) 12 in., Top of Shoulder / Front of Crotch (E) 21 in. Clothing Size: 6 - 8, Height: 49 - 55 in., Weight: 45 - 60 lbs. Large: Chest (A) 26.5 in., Waist (B) 24 in., Hips (C) 27.5 in., Thigh Opening (D) 13.5 in., Top of Shoulder / Front of Crotch (E) 21 in. Clothing Size: 7 - 10, Height: 49 - 55 in., Weight: 50 - 70 lbs. Insulating Neoprene keeps kids warmer Adjustable straps allow for growth and years of use Soft - smooth nylon inside and out Comfortable enough to be worn alone as a swimsuit Durable 2 mm (1/8 in) Neoprene will last many years Convenient to slip on and off Safe - without zippers that pinch skin or jam