I'm 6', 206lbs athletic build and it's a bit snug around the back. Wind resistance: G-1000 is wind-resistant and can protect from UV rays Breathability: G-1000 is breathable, making it a good choice for long days outdoors Mosquito protection: G-1000 has mosquito-proofing properties Waxability: G-1000 can be treated with Greenland Wax to make it more water resistant