Addics is a marketplace for sports enthusiasts to buy, sell, and collect sportswear, equipment, trading cards, and memorabilia. Its broad catalogue spans football, rugby, basketball, tennis, cycling, swimming, boxing, MMA, fitness, and many other sports. Shoppers can browse items for men, women, and children, including jerseys, clothing, footwear, accessories, and sporting equipment. Listings cover products such as team shirts, jackets, trainers, balls, rackets, protective gear, sports bags, and watches.

For collectors, Addics offers cards and stickers, autographs and match-used objects, supporter merchandise, programmes and tickets, trophies and medals, figurines, photographs, books, magazines, and sports-themed electronics. The marketplace organises items by sport, competition, national team, club, and brand, with categories featuring well-known leagues, teams, and manufacturers. Members can list items for sale and connect with other fans and collectors. Addics also highlights authenticity, reflecting the importance of trusted collecting within its community. Overall, the platform brings together practical sports products and collectible memorabilia, giving enthusiasts a dedicated place to discover, trade, and build collections across a wide range of disciplines.