The IST Spear mask is a low volume mask with twin lenses.
The soft, supple skirt is made from high-quality silicone and features a double-sealing system for a comfortable, watertight fit. The strap buckles swivel so you can dial in a good fit. They also fold in against the frame, presenting a low packing profile for traveling.
Features - Ultra-low volume for clearing convenience and easy equalization - Designed for maximum visibility - Double sealed silicone skirt with extra flexibility for even easier clearing - Softly textured skirt making it easy to grip, pinch and clear without affecting the entire deal around your face - Swivel buckles