Here's what other sites are saying:
Striking an ideal balance between weight and durability, the Arc'teryx Sigma FL men's pants are made for fast-and-light tactics on rock, alpine and ice climbing routes.
- REI refers to the men's version
The Arc'teryx Men's Sigma FL Pant is a lightweight pair of softshells suitable for summer mountaineering and alpine climbing. Its Fortius 1. 0 fabric is the lightest softshell from Arc'teryx, and it boasts a four-way stretch, exceptional breathability, and reliable water-resistance for ideal protection in the alpine during warmer seasons. Arc'teryx designed it with a trim, articulated fit that ensures full mobility on the mountain despite its slimmer look.
- Backcountry.com refers to the men's version
The Sigma FL Pant strikes the ideal balance between lightweight and durability. This versatile softshell pant is designed for fast and light tactics on rock, alpine and ice climbing routes. Material mapping places Wee Burly(TM) Double Weave reinforcements in the seat and knees and air permeable, 4-way stretch Fortius(TM) 1.5 in the body for increased mobility and reduced weight. The Trim fit and tapered lower leg minimizes loose fabric and articulation enables full range of motion and a drawcord at the cuff seals out updrafts and debris. Technical Features Lightweight Durable Construction DWR (Durable Water Repellent) finish repels moisture Four-way stretch textile Patterning Articulated patterning for unrestricted mobility Gusseted crotch for comfort and freedom of movement Trim fit ensures better line of sight while climbing Cuff & Sleeves Configuration Adjustable pant cuff with grommets for installing a gaiter cord Waist & Belt Configuration Adjustable integrated webbing belt Waistbelt fits comfortably under harnesses and backpacks Pocket Configuration Harness friendly zippered hand pockets Harness friendly zippered thigh pocket Reinforcements Reinforced knees and seat
- Bentgate.com refers to the men's version