Lightly brushed for maximum comfort. Long leg. Size - Waist to Fit S - 30-32, M - 33-34, L - 36-37, XL - 38-40, XXL - 42-44. Fabric Polycotton... Warm, durable and long-lasting, our Thermal Long Johns will keep the chill away. Featuring a polycotton fabric that's lightly brushed for maximum comfort. The fabric blend and 220 gsm weight ensures a durable and long-lasting product. Lightly brushed for maximum comfort.