Add throwback style to your gym wardrobe with these Nike Gym Heritage Men's Dri-FIT Fleece Fitness Pants. The body is made of 53% polyester and 47% cotton, and the side pockets and back pocket are made of 58% cotton and 42% polyester. The fitness pants feature brushed fleece to help keep you warm. Nike Gym Heritage Men's Dri-FIT Fleece Fitness Pants Light Smoke Grey/Heather/Pale Ivory, Large - Men's Athletic Performance Bottoms