cordiO2ylon-a® YSTI Swim Snorkel by

Customers say this snorkel has a minimalist design with a slim tube profile. Many reviews mention fit adjustments can be challenging, particularly with the forehead strap and mouthpiece positioning. While some users experience leakage issues and difficulty clearing water, others appreciate its streamlined performance during swim sessions. Common feedback includes praise for its lightweight feel and simple construction. The small mouthpiece receives mixed reactions - comfortable for some but too compact for others. Users note the head strap durability could be improved, with several mentioning breakage over time. Most swimmers find it works well for training once properly adjusted.