High Quality Design: ROQ's silicone wedding bands are made from durable, breathable silicone that is so comfortable, you'll barely feel it on your finger. These silicone bands are ideal substitutes for traditional wedding rings, so they aren’t scratched or damaged during work, exercise, or travel. Includes 4 step edge rings. Size: 13 ROQ Air x52 System: Ergonomically designed, ROQ's double-sided modular airflow system allows fresh air to enter and circulate while allowing moisture out through the air tunnels. Optimized Sizing & Flexibility: Our silicone rubber wedding rings for men measure 8mm wide and 2mm thick for optimal flexibility, making them a great choice for people with large knuckles or temporarily swollen fingers. Not sure what size to wear? Please refer to our size image guide to find your perfect fit. Maximum Safety: In certain professional industries, metal jewelry is a big no-no for safety reasons, so a ROQ silicone ring may be the perfect solution. Made from safe, medical grade, non-conductive silicone, our rings are safe for strenuous work and activities as well as sensitive skin. Our wedding bands are also heat and water-resistant. Positive Connections: ROQ is all about bringing couples closer together and reinforcing their commitment to each other through our silicone wedding rings. We're on a mission to provide active and adventurous lovebirds with a safe, stylish alternative to traditional metal wedding bands. High Quality Design: ROQ's silicone wedding bands are made from durable, breathable silicone that is so comfortable, you'll barely feel it on your finger. These silicone bands are ideal substitutes for traditional wedding rings, so they aren’t scratched or damaged during work, exercise, or travel. Includes 4 step edge rings. Size: 13