Men's Pi Symbol"&pi;" 3.14 Mathematics Carded Cotton Novelty Crew Dress Math Socks (1 Pair) Show off your brainy side with these fun Sock Genius socks. Our Pi Symbols carded cotton cocks feature a Pi symbol pattern in light blue atop a heather gray background. No-slip double calf band; Form-fitting Y-stitched heel; Comfort toe stitch. Men's Shoe Size: 7-17 Material: High quality carded cotton - these socks are as comfortable as they are stylish. (78% Carded Cotton, 20% Nylon, 2% Spandex) SATISFACTION GUARANTEED - Your satisfaction is 100% guaranteed. We offer a 30-day money-back guarantee and phone, email, and live chat support are available on our website! You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!