New Butterfly | Silicone Swim Cap Back Style_Single Strength Immerse the pH meter electrode

Immerse the pH meter electrode in the solution to be tested

Although it may appear to be a print

10-bar water resistant

Triathletes in training

Designed to move with you

New Butterfly | Silicone Swim Cap Back Style_Single Strength Immerse the pH meter electrodeFeatures Premium Silicone Construction Made from 100% high grade silicone for a flexible, pressure free fit that stretches comfortably across all head shapes and sizes. Stays in place through flip turns, open water chop, and everything in between. Fade Resistant Graphic Print The "Out Of Office" print is chlorine resistant, UV stable, and saltwater proof. The design holds its colour through hundreds of sessions no cracking, no peeling, no fading.