How are Knot Theory Dual Layer comfort fit silicone rings different?

• Curved inner surface enhances air flow, giving you the most comfortable wear
• Timeless designs paired with durable construction
• Made with stunning metallic pigments that are free of metals and toxins
• Made with hypoallergenic, food-grade silicone
• No finger muffin-top with our ergonomic comfort fit.
  
• No moisture trap, no grooves. Your skin stays fresh and dry.
• Prevents ring avulsion and finger injuries, giving you 100% peace of mind when you and your loved ones wear these rings