Ergo Earplug Butterfly Featuring an AirLite Alloy construction

Featuring an AirLite Alloy construction for lightweight power and extra durability

The team of experts involved in development have delivered optimal aerodynamic characteristics

valve core tool and rim tape

A lightweight performance triathlon bike saddle designed with a split nose for unrivaled pressure relief during long races without sacrificing stability or support

Ergo Earplug Butterfly Featuring an AirLite Alloy constructionArena just made using earplugs while swimming even easier. The colour coded Ergo earplugs simplify identifying which side you use each plug on. Made of ultra soft silicone and arena's Liquid Core Technology, Ergo is the most comfortable earplug yet. The hollow stems make them quick to grasp and improve hearing underwater. Seal out the water, seal in your focus.