Rab Argon Pants - Men's Black/Shark Extra Small Regular. Designed to be worn over a baselayer the Argon offers extra comfort and warmth around basecamp in a bivi or to increase your sleeping bag's performance. They pack down nice and small and the provided stuff sack makes it a no brainer to carry them with you on your expedition providing you with a boost of warmth when you need it most. Technical features include a tough and durable Pertex Microlight outer stitch through construction to eliminate cold spots and a 2-way front fly zipper. Specifications for Rab Argon Pants - Men's: Manufacturer: Rab Men's Clothing Size: Extra Small Inseam Size: Regular Gender: Male Age Group: Adults Application: Mountaineering Apparel Fit: Regular Color: Black/Shark Weight: 13.2 oz Insulation: 800-fill Goose Down Insulation Weight: 5 Last Chance: Yes Features of Rab Argon Pants - Men's Regular 800FP R.D.S Certified European Goose Down (160g/ 5.6oz size L) Pertex Quantum inner Pertex Quantum outer fabric Insulation - 800FP R.D.S. Certified European Goose Down:160g / 5.6oz size L375g / 13.2oz Rab Fluorocarbon free Hydrophobic Down developed in conjunction with Nikwax Stitch-through midi-baffles Belted waistband (removable) with snap closure YKK VISLON 2-way front fly zip with 2 insulated zip baffles Elasticated stretch hem Stuff sack Fit: Regular (designed to be worn over a baselayer pant) Package Contents: Rab Argon Pants - Men's Rab QDA-71-BL-XS: Argon Pants - Men's Black/Shark Extra Small Regular