LACROSSE ALPHA AGILITY SNAKE BOOT BROWN 9 The Lacrosse Alpha Agility boots are made with natural rubber over insulating neoprene, with a focus on flexibility and comfort. These boots are waterproof and uninsulated. A jersey knit liner keeps your feet dry and comfortable while Active Fit keeps your feet in place while remaining easy to put on and take off. Alpha Agility boots also come with a kick-off heel plate and the outsole is made of a lightweight LXA compound.