Zoggs Centre Line Swim Training Snorkel for Stroke Technique Sealife The simple-to-use 2nd stage requires

The simple-to-use 2nd stage requires no dive adjustment controls

Unlike many full wetsuits

Seac One diving mask and Seac Jet snorkel

It includes a low-profile collar tab with Velcro for less bulk

The Oceanic QLR2 Rubber 1

Zoggs Centre Line Swim Training Snorkel for Stroke Technique Sealife The simple-to-use 2nd stage requiresConcentrate on body position and stroke mechanics with the Centre Line snorkel designed for lap training and swim drills. The rigid central tube and soft silicone mouthpiece provide stable breathing alignment and a comfortable fit for repeated sessions. An adjustable head strap keeps the snorkel centered so swimmers can focus on technique without turning the head to breathe.