Setting up near a riverbank or damp waterways doesn’t have to be a heat-robbing experience. With Columbia Omni-Heat products, you take charge of your own microclimate. Breakthrough Omni-Heat thermal reflective lining retains your body heat for 20% greater warmth than regular linings. Omni-Heat insulation boasts the industry’s highest heat retention per gram for optimal warmth. These liner pants are perfect with waders and make a great second layer for under bibs. Omni-Heat® thermal reflective lining offers 20% greater warmth than regular linings. 100% polyester fleece shell. Abrasion-resistant fleece lining. Drawcord-adjustable waist. Zip-close pockets. Relaxed fit. Imported. Sizes: M-2XL. Color: Black.