Bachelor Party Must Haves. Give these Groomsman Socks to the grooms closest bros for a fun-filled night! These black and white socks are the perfect way to identify the best men instantly during bachelor parties and pre-wedding activities! Socks are approximately 17. Host a bachelor party or pre-wedding party your groom will remember with funny and goofy party supplies. Celebrate the groom and groomsmen in your life with hysterical favors, accessories, and gifts! One pair of socks. Socks are approximately 17″.