Bonobos recently launched their Spring suit collection using lightweight italian wool, breathable cotton, and Tollegno linen letting you cool off before the social pressure is on.
I've included links to my favorites for wedding season. If you're looking to give the groomsmen a bit of a boost then check out Groomservice and help them find the perfect attire.
colorful bowties complete the look
I personally am loving the seersucker suit.
Don't forget your shirt
If you're one to accessorize
Hope you enjoy!