Patagonia Men's Lightweight R4 Fleece Jacket (Spring 07):
Built lean and exceptionally clean for climbing, mountaineering and dry weather skiing, Patagonia's Lightweight R4® Jacket gives you superb windproof protection without trapping your mobility inside a bunch of constraining fleece. The design sandwiches warm Polartec® Windblock® fleece with a windproof laminate and dabs you dry with a lightweight and highly breathable R1® Polartec® Power Dry® lining. In key spots beneath the sleeves the R1® fabric doesn't feature a laminate to allow vapor and moisture to escape quickly before it can condense on the inside of the Lightweight R4® Jacket. If you're hiking, climbing or camping in cold and dry conditions, this jacket keeps you comfortable without a lot of extra layers, but keep a waterproof shell handy for any anticipated accumulations of rain and snow.

• 8.4-oz. Polartec® Windblock® R4® laminate attached to a R1® Polartec® Power Dry® lining
• Full stretch Polartec® Windbloc middle layer
• Moisture-resistant Supplex® collar and windflap
• Unlaminated stretch R1® fabric panels along underarms to optimize reach and comfort
• Clean, athletic cut with no shoulder seams to cut beneath a loaded pack
• High zippered handwarmer pockets allow access beneath a harness or pack
• Zippered chest pocket
• Dual internal pockets
• Partial elastic cuff on back of cuffs
• Neck gasket closure helps seal in body core warmth
• Chin flap folds over zipper for added comfort in cold conditions
• Drawcord hem
• Weight: 18 oz. (510 g.)