HOTER Men Modal Thermal Underwear Set, Gift Idea Please read the size chart given in the pictures before giving order; Top quality at low price Collar: V -neck design; the perfect combination with the external dress; fashion wild V-neck design; modified face tough line Waist: a rare bump crafted belt; made of imported rubber band; elastic full Crotch: underwear + underwear 2 in 1; embarrassing U convex three-dimensional space capsule -type design; you can not imagine a large space Trousers: trousers shut to prevent wind struck; seamless trousers trace; closer to the ankle; warmth abounded