Louis Garneau didn’t pull a single punch with the Course Air Lite Road Shoe. This one has all the bells and whistles: a carbon fiber outsole with titanium inserts, the Boa closure system, Garneau’s patented air channel system, and a paper-thin 4.3mm stack height. That all sounds great, but here’s the icing — the shoe weighs just 222 grams (size 42) — making it Garneau’s lightest shoe ever.