mont-bell Super Merino Wool EXP. High Neck Shirt Men's EXP. Thick, Expedition M Size, Black Item #1107583 [Product Information] This is mont-bell's unique underwear, combining the outstanding heat generation of Super Merino Wool with quick-drying properties. It uses a box construction to retain warm air, providing long-lasting warmth that envelops the body. It features a high neck with a zipper to keep the neck warm. [Suitable Uses] Snow Sports / Polar Expeditions / Winter Mountaineering [Specifications] [Material] Super Merino Wool [79% Wool + 18% Polyester + 2% Nylon + 1% Polyurethane] [Average Weight] 231g [Color] Black (BK) [Size] M Features... Insulation/Cold Protection, Merino Wool