For fitting your Fathom sunglasses is the Costa del Mar Fathom Cord retainer that is a specially designed lanyard to fit Costa sunglasses with co-injected temples.
This lanyard cord is made from soft, marine-grade nylon and will keep your sunglasses securely on your person and within easy reach.
The Costa del Mar Fathom Cord is very comfortable and lightweight to wear, it is available in one size and in black or blue colour options.
Marine-grade, soft nylon
Easy to wear
Designed to fit the Fathom sunglasses
Designed to fit Costa sunglasses with co-injected temples