Pulse Little Boys 1 Piece Snowsuit (Blue/Black, Medium) Pulse little boys 1 piece insulated snowsuit-waterproof and breathable Removable insulated hood, elastic waist, top portion is fleece lined, roll cuffs and gaitors in the bottoms of each leg Suit length measurements, from shoulder to bottom of leg-cuff fully let out. 2T 36 inches, 3T 38 inches, 4T 40 inches, Small 41 inches, medium 43 inches, large 45 inches Very generous fitshould NOT need to size up. 2T, 3T, 4T. Small fits 4/5, Medium fits size 6, and Laarge fits size 7.