We hope you enjoy our Cosmic Background Radiation men’s swim trunks. Cosmic Background Radiation is electromagnetic radiation leftover from the Big Bang. The image used in this design is the actual ILC (Internal Linear Combination) map.
These swim trunks have everything you need for a hot summer day—they’re quick-drying and breathable, have multiple pockets for your belongings, and feature a silky, anti-chafe inner liner. Get yours now!
• Fabric composition: (may vary by 5%) 91% recycled polyester, 9% spandex
• Liner composition: 92% polyester, 8% spandex
• Fabric weight (may vary by 5%): 5.13 oz/yd² (174 g/m²)
• Four-way stretch water-repellent microfiber fabric
• Anti-chafe mesh inner liner
• Elastic waistband with drawcord
• Mesh pockets
• Small inside pocket for valuables
• UPF 50+
• NASA is awesome