Since our underwear has an elastic band, it gives you the perfect fit, but please make sure you choose the right size as the product label you received will be different, but please do not worry X-Small fits waist 26 to 29, which has the tag medium Small fits waist 29 to 32, which has the tag large medium fits the waist 32 to 35 but has the tag x-large large fits the waist 35 to 38 but has the tag xx-large the X-large fits waist 38 to 41 but has the tag xxx-large and finally XX-large which fits waist 41 to 44,but has the tag xxxx-large Our Lingerie will be the perfect gift for your boyfriend or your husband for valentine's day, marriage anniversary.