Dual Layer Thermal Underware

Based on user feedback we have selected the best and most effective thermal underwear on the market. Dual Layer Thermal Longs® - offers a soft inner layer of blended cotton and polyester next to your skin. The outer layer is a blend of cotton and polyester which helps maintain warmth and durability. The key advantage of the Dual Layer Longs over other types of long johns is that an additional insulating barrier is created when the air is trapped between two layers, which offers additional protection against the wind and cold. Sizes Code Size Waist in Inches S Small US 30 - 32 M Medium US 34 - 36 L Large US 38 - 40 XL Extra Large US 42 - 44 Dual Layer Thermal Longs® - Detailed Features: Dual Layer Thermal Longs® - Detailed Features: 2 layer construction for additional