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The Rab® Khroma Kinetic Bibs are made for superior comfort and performance on your biggest expeditions. The Proflex™ fabric has a stretchy, softshell feel that makes kickturns a breeze with the bomber 20,000mm / 25,000g waterproof-breathability of a hardshell. Thigh vents let you dump heat quickly and a dropseat makes bathroom breaks a little easier on multiday missions.
Integrated Matrix™ Stretch Double Weave Nylon Back
Main Fabric – 90% Polyamide / 10% Elastane.
20D Stretch Woven Nylon 3-Layer Waterproof Technology with fluorocarbon-free DWR – 20,000mm / 25,000g/m²
Proflex™ – A Rab innovation offering protection and versatility. This highly breathable, waterproof fabric combines the performance and protection of a traditional hardshell with the comfort, stretch and feel of a softshell.
Backer – Integrated Matrix™ Stretch Double Weave Nylon Back
Regular Fit
Two Thigh Pockets
Bib Pocket
Rear Pocket
Large One Way YKK® Zipped Thigh Vents
YKK® AquaGuard® Front Fly Zip
Drop Seat
Articulated Knees
Stretch Internal Snow Gaiter
Reinforced Crampon Patches and Lower Hem
This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm.
Made with PFAS Chemicals
Breathability Rating (g) | Breathability Level | Activity Level |
0 - 10000 | Low to moderate breathability | Resort skiing & snowboarding / walking / low intensity activity |
11000 - 15000 | Moderate breathability | Resort skiing & snowboarding / hiking / moderate intensity activity |
16000 - 20000 | High breathability | Backcountry skiing & snowboarding / backpacking / moderate to high intensity activity |
21000+ | Very high breathability | Backcountry skiing & snowboarding / biking / high intensity activity |
Warmth | Description | Ideal Conditions |
Shell | Outer shell with no insulation. Pair with base layers and mid layers to fine tune the level of warmth required. | Variable |
Warm | Light insulation. Use additional base or mid layers to add warmth when temperatures drop. | 20° - 35° |
Warmer | Moderate insulation. Suitable for cold conditions. | 10° - 25° |
Warmest | Heavy insulation. Designed to keep you comfortable and protected on the coldest days. | Below 15° |
Size | S | M | L | XL | XXL |
Weight (g) | 675 |