evo.com | Mons Royale Long Underwear Tops > The MONS ROYALE Cascade Merino Base Layer Long-Sleeve Top is your base layer essential, featuring revolutionary four-way stretch that flows with every move while wrapping you in the natural comfort of merino wool. This featherweight garment transforms your skin into a climate-controlled sanctuary with friction free flatlock seams and clever thumb loops that lock in warmth. Designed to bounce back from every adventure, the Cascade proves that the most important gear is often the one nobody sees. Thumb Loops 81% Merino Wool / 12% Nylon / 7% Elastane Shaped Hem Flatlock Seams to Prevent Friction | Mons Royale Cascade Base Layer Long-Sleeve Top Men's 2026 - Medium Green | Nylon/Wool/Elastane