The O2 Extreme jacket is a professional softshell jacket highly breathable and stretchy. Is made entirely from cozy Polartec® Powershield® O2. The O2 Extreme jacket is suitable for professional climbing.

• Helmet-compatible hood
• 2 zippered harness/backpack belt compatible pockets
• Stormflap
• 2-way YKK zipper
• Adjustable drawcord at waist and hood
• Block 96% of the wind
• Highly breathable
• Water repellent
• Extremely abrasion resistant
• Stretch for active comfort
• Make less noise than hardshell
• Very warm and cozy
• Machine washable
• Material: 
  • Body: 80% polyester, 20% nylon
  • Other parts: 85% nylon, 15% spandex

* Sizing: these jackets run small. Compare to most North American brands, we recommend to size up once for a regular fit or twice for a loose fit.

Body size	165cm	170cm	175cm	180cm	185cm	190cm
55kg	S	S	M
60kg	S	M	M	L
65kg	M	M	M	L	L
70kg	M	M	L	L	XL	XL
75kg	M	L	L	XL	XL	XL
80kg	L	L	XL	XL	XXL	XXL
85kg		XL	XL	XL	XXL	XXL
90kg				XXL	XXL	XXL
95kg				XXL	XXL	XXL

Size (inch)	Shoulder	Chest
S	15-17	35-37
M	16-18	37-39
L	17-18	39-41
XL	17-19	41-43
XXL	18-19	43-45
XXXL	18-19	44-47