Propels us through city streets or on mountain trails. A multi-tasking Merino mid-layer that works double duty as insulation and outer shell. So smart and versatile, it's probably the cheapest cost-per-wearing vest we own. Insulated with Smartloft wool insulation. Quilted nylon shell shuts out wind and rain. 100% Merino side panels and lining. Catalog/web only. XS(2), S(4-6), M(8-10), L(12-14), XL(16).