become a Fruit-of-the-Loom subsidiary, and Fruit-of-the-Loom is owned by and part of Berkshire Hathaway. On April 15, 2021, the brand's website reopened for online sales, featuring a modernized version of their trademark "No. 10" jockstrap, as well as active apparel. The jockstrap was also influential in early 20th-century medicine with the invention of the Heidelberg Electric Belt, a low-voltage electric powered jockstrap that claimed to cure kidney disorders, insomnia, erectile dysfunction, and other ailments. Today, jockstraps are still worn in the US by adolescent and adult men for sports, weightlifting, medical purposes, and for recovery from injury or surgery for such conditions as hematocele, inguinal hernia, hydrocele, or spermatocele. In 2022, jockstraps saw a renewed popularity as underwear for men, the usage of which became a fashionable trend. The trend was reflected with the inclusion of the garment in the runways of various major designers including, Calvin Klein, JW Anderson, Gucci, and Rick Owens, alongside other large brands like Adidas, Diesel, and 2(x)ist making multiple styles. Design Jockstraps are fairly consistent in design with variations appearing in details like width of waistband and fabrics. Some jockstraps are designed for specific sports: Swim jocks, for example, have a narrow waistband, and hockey jocks sometimes have adjustable elastic straps and garter clips that hold hockey socks in place while the bulky goalie protector has genital and abdominal foam padding. Windproof jockstraps have a special layer of fabric to protect the wearer from wind and cold in winter sports. Jockstraps are made in other materials as fetish wear. Aside from the aforementioned "fashion jockstraps", the 2000s have seen a resurgence in jockstrap designs and brands. Alternatives to jockstraps include the jock brief, or support briefs, which have the wide waistband of a jockstrap combined with a full seat and are made of an elastic supportive material. A thong style strap, sometimes called a dance belt, has one narrow elastic strap attached to the bottom of the pouch, passing between the legs and attaching to the waistband at the middle of the back. A strapless garment, called a jock sock or sometimes a slingshot, has only an elastic waist band with an elastic pouch that holds the genitals from the front. In Europe, from the time of the Middle Ages, undergarments available were limited to a loose fitting trouser-like piece of clothing called a braies. This article of clothing was stepped into and then