This simple design isn’t hard to fit. You can just choose the same size as the jacket you wear. Aaron and I both found the fit to be appropriate in the sizes we normally wear (Medium and XL). Aaron’s pictured in the gray wind shirt and I’m wearing the black.
If you need a chest size reference for the alpha sizes in Klim, here is the chart we’ve been using:
| Jacket Size | Max Chest | Max Belly |
|---|---|---|
| Small | 36” | 35” |
| Medium | 40” | 39” |
| Large | 44” | 43” |
| XL | 48” | 46” |
| XXL | 52” | 50” |
| XXXL | 56” | 54” |
The Zephyr wind shirt is one of Klim’s under layers designed to work well with jackets that are part mesh or full mesh. This light windbreaker type jacket will help block wind and will act as a water resistant barrier (but not waterproof). I can see how handy an item like this would be for trips. It packs in a REALLY small space and would easily double as a light jacket to wear off the bike. It could even be used as a light windbreaker for exercising. It has one small pocket to hold your electronic device of choice and has a pass through to get the cord up to your ears.
The material used is thin and stretchy and has a non-wrinkle property to it, so again… great for travel. There is an elastic cord gather at the hem line to help keep wind out from below. The cuffs have a built in bit of elastic that will seal around your wrist. :: Paul, 04-17-17
