evo.com | Topo Designs Duffle Bags > Haul your gear from airport terminals to mountain passes with the Topo Designs Mountain Duffel that transforms from backpack to carry-on in seconds. Crafted from 100% recycled nylon in three different weights for durability where you need it most, this 40L wonder features multiple grab handles, stowable backpack straps, and smart organization that keeps essentials within reach. Removable Backpack Straps & Shoulder Strap 200D 100% Recycled Nylon Lightweight Ripstop Water-Resistant Lining 20" W x 10.25" H x 12" D Front Exterior Zip Pocket | Topo Designs Mountain 40L Duffel 2026 Bag | Nylon