Hollis M1 Mask Colour:Black If you're freediving or snorkelling

If you're freediving or snorkelling in open water or anywhere near boat traffic

a rubber conditioner or a wet suit lubricant

25cm) is easy to adjust with buckle and strap for comfortable fit

MATERIAL: Thermoplastic rubber-Tecralene®

Hollis M1 Mask Colour:Black If you're freediving or snorkellingWhen we first saw the Hollis M1 Mask, we thought it was just a Hollis branded Oceanic Shadow dive mask but having gone to the Oceanic seminar and sitting through two days of product knowledge we are much more impressed with the thought, effort and design that has gone into the Hollis M1 dive mask and the whole Hollis range to be honest. Due to the Saint Gobain Diamant Crystal Clear Lens and skirt being a bit wider than the shadow, it brings a much