evo.com | Mons Royale Long Underwear Tops > The MONS ROYALE Ascender Merino Seamless Long-Sleeve Top is a seamless sensation that combines the natural properties of merino wool and Tencel(R) in a lightweight package that feels like wearing climate controlled second skin with serious style credentials. It's the base layer that proves technical gear doesn't have to be boring, because who says you can't look like a chess master while exploring mountains? Merino Tencel(R) Seamless 50% Wool / 21% Lyocell / 25% Polyamide / 4% Elastane Thermal, Body-Mapped Knit Design Raglan Sleeve With Underarm Gusset Slim Fit Centre Back Mesh Knit for Ventilation | Mons Royale Ascender SeaMedium/Largeess Long-Sleeve Top Men's 2026 - Medium Black | Wool/Elastane