Pellor Tactical vest outdoor live-action CS field protective security training Small : 55CM length (Recommended height 175cm or less) Large: 60CM length (Recommended height above 175cm) X-Large: 65CM length (Recommended height above 180cm) Popular design, with great protection function. Vest fits all, with adjustable waist, maximum 120CM. There is adhesive Velcros on both sides, easy to adjust the size according to your figure.