We use Klim gear and feel it's the best stuff out there, bar none. Not sure what size? Here's Klim's sizing chart http://www.klimusa.com/f/sizes.html. 

Any color you want, as long as it's gray (it's all they make).  Large and X-Large sizes are stocked, other sizes are special order so please allow a little more time for shipping.

Here's what they say:  

The highly anticipated Traverse Jacket is designed specifically for enduro and off-road riders who demand an extremely durable, waterproof and presicely patterned riding jacket. Highly durable GORE-TEX® fabrics protect you from the elements while drawing moisture away from your body, keeping you dry and comfortable. Built-in ventilation allows you to adapt to whatever environmental condition you face.  

•  GUARANTEED TO KEEP YOU DRY®
•  HEAVY-DUTY GORE-TEX® FABRICS
•  840 DENIER CORDURA® OVERLAYS IN HIGH WEAR AREAS
•  840 DENIER CORDURA® DEVELOPED FROM THE GROUND UP SPECIFICALLY FOR THIS TYPE OF OFF-ROAD RIDING GARMENT
•  TWO STORM-FLAP-COVERED YKK® ZIPPER HAND POCKETS
•  ONE STORM-FLAP-COVERED YKK® ZIPPER CHEST POCKET
•  ONE INTERNAL YKK® ZIPPER POCKET
•  TWO-WAY HEAVY-DUTY YKK® VISION 8 CENTER-FRONT ZIPPER COVERED BY DUAL-EXTERNAL STORM FLAPS
•  BOTTOM HEM SHOCK-CORD AND ADJUSTERS
•  SOFT MICRO-FLEECE-LINED COLLAR
•  TWO ADJUSTABLE PIT-VENTS WITH TWO-WAY YKK® ZIPPERS
•  LATERAL ADJUSTABLE BACK VENT
•  ALL ZIPPERS COVERED WITH STORM FLAPS TO MAINTAIN WATERPROOFNESS AND TO STOP DEBRIS
•  INNER CUFF GASKET
•  ADJUSTABLE VELCRO CUFFS
•  3M SCOTCHLITE™ INDUSTRIAL-GRADE 9910 REFLECTIVE PANELS
•  SHOULDER AND ELBOW PAD POCKETS
•  MOISTURE-WICKING POLYESTER MESH LINER
•  D-RING
•  ARTICULATED SLEEVES PROFILE FOR RIDER POSITIONING
•  DESIGNED TO BE WORN OVER POLYESTER BASE LAYER
•  CLOSER FIT REDUCES DRAG AND KEEPS JACKET IN PLACE
•  GLOVE-FRIENDLY ZIPPER PULLS
•  EMBROIDERED KLIM LOGOS