I'd say you'd be ok not sizing down, the shield jacket fits very nicely to size, and though the splash blizzard parka is a little more oversized fitting, you might want the room for a sweater or thicker layer since it just has a thin quilting inside.
Selling these for a friend, great condition.
Viberg Boots x 4 Horsemen Shop Service Boots Black Buffalo Suede/Smooth
From original collaboration in 2011
Sz. 7 fits like a US 8.5
$400 OBO/ +$20 shipped within North America with tracking
Add 4% for Paypal