Either one will work! Many have used the micro in very bad weather and been just fine, and as Cannibal mentioned get the Micro in Spinn for extra weight saving's! As Cannibal also say's pitching it right will play the largest role all the while utilizing the landscape to assist!
Formerly known as "Cranky Bear"....
"yesterday is history, tomorrow is a mystery, but today is a gift---thats why its called a present" - Master Oogway
It's always best if your an early riser!
I like hiking as it's like exercise!