W's Lightweight R4 Jacket Size:S compressible and provides superb core

compressible and provides superb core warmth

and has a slightly brushed interior for warmth and wicking

highly breathable stretch-woven soft shell fabric (50% nylon/42% polyester/8% spandex) resists wind

with no sacrifice of warmth

while stretchy R1 panels under the arms provide freedom for your most limber moves

W's Lightweight R4 Jacket Size:S compressible and provides superb coreBlock the wind and stay active without excessive heat buildup in this lightweight, stretchy version of our popular R4 Jacket. Non windproofed Regulator R1 underarm panels enhance breathability and mobility; the neck gasket closure seals out the elements; seamless shoulders allow pack wearing comfort. With three extemal pockets, two drop in intemal pockets, a drawcord hem and a trim but regular fit. The women's version is femininely shaped. Made in USA.