RSQ Washed Boxy Thermal. The RSQ Washed Boxy Thermal for men is a timeless essential designed for comfort, style, and versatility. Crafted from a soft waffle-knit fabric, this solid-color thermal delivers the perfect blend of warmth and breathability, making it ideal for layering or wearing on its own. The garment has been specially washed for a subtly worn, lived-in look that adds character without sacrificing durability. Boxy fit. 100% Cotton. Machine wash. Imported.