Modular tails add 6 in. (15 cm) to any Evo snowshoes for increased flotation. Unrivaled Versatility: On-demand flotation allows you to select a smaller primary shoe for added agility in packed conditions. Packable: Light and low-profile for easy packing on any trip. Easy: Simple attachment system lets you attach and remove tails without removing shoes. Evo tails not compatible with Denali snowshoes. Evo Modular Flotation tails add 6" of on-demand flotation to any Evo snowshoe. Simply slide them on and twist down the adjustment knob for added flotation in deep snow, or when carrying a heavier pack.