Rib Stretchy Material: Made of cotton and polyester blend fabric, David Archy thermal underwear for men has great elasticity and soft feeling

Functional Fly: Considerate front opening on thermal pants enables easy-go when nature calls

Lightweight Base Layer: Keeps you warm all day long during the cold winter, ensures comfort for daily wearing

Snug Fit and Additional Crotch Lined: Classic design makes the thermal long johns set better fitting, ensures flexibility of any movement and heat retention at the same time; these thermal leggings provide more room at crotch, reduce restraint and friction in your intimate area

Ideal Gift: Versatile performance on all kinds of indoor and outdoor activities, such as jogging, running, cycling, skiing, climbing, yoga, fitness body training etc