【Product Details】 2025 Model Workman's Popular "THERMOLITE Eco Mode Thermal Crew Neck" Size: L Color: Black With an ultra-lightweight design of only 126g, and a crew neck type that makes it easy to layer, it's perfect for everyday use and serious mountain climbing. The THERMOLITE Eco Mode material has a hollow fiber structure that provides excellent insulation and breathability. Even if you sweat, it won't feel sticky, allowing you to move comfortably. 【Comparison with Other Brand Materials】 Highly recommended for serious mountaineers! "THERMOLITE Eco Mode," a representative material for high-performance active insulation, is similar to "Octa" and "Polartec Alpha Direct." These materials use a hollow structure and mesh knitting to provide insulation, breathability, and quick-drying properties, and share the common feature of being less prone to stuffiness during activity. Workman's THERMOLITE Eco Mode is comfortable to wear! #Yama to Michi #AlphaDirect #OCTA #OMM #BaggiesShorts #EndlessRun #NineTrailsShorts #TheNorthFace #Patagonia #TrailRunning #Salomon #TokyoMarathon #TrailRun #TrailRunning #TRAILRUNNING #RUNNING #Mountaineering #COMPRESSION #Compression #CalfTights #UnderArmour #UNDER #NIKE #Nike #adidas #Adidas #HOKAONE #Paagoworks #MountainMartialArts #MMA #TetonBros #tetonbros #northface #patagonia #UTMF #UTMB #R×L #asics #hungerknock #answer4 #mountainmartialatrs #eldoreso #HungerKnock #frank＆morris #Yama to Michi #Answer4 #ADVSKIN #adv #skin