The worst part about summer transition periods is the temperature drop from day to evening. A.P.C. has a pair of trousers that are a solution to this problem. The A.P.C. Linen Trousers are a 58/42 linen/wool blend; they are breathable – they will keep you cool under the days sun and warm in the evening. They come in a tapered cut and are a part of a suit; linen jacket ($440 USD) can be bought here.
Linen trousers ($235 USD) from A.P.C. – available here