Front fly; 4-way stretch for unlimited movement; UPF 30 protection; Body fit design for next-to-skin performance fit; Hot Chillys two tone microfiber logo elastic waistband with plush back; Gusset eases movement & reduces seam bulk; Engineered boot tech length eliminates bulk inside boots; Midweight warmth, body fit; Inseam M 19.8"; just below the knee; 89% polyester, 11% spandex