The Windy Ultra was designed as the lightweight version of the Windy Spirit. The Windy Ultra is a versatile mountaineering pant. Comfortable and durable with 4-way stretch fabric. The MP+® Stretchliner Membrane gives high levels of breathability and waterproofing. They are the essential pants for mountaineering and ski touring.Features:- Stretch Softshell outer fabric- Tricot knit lining 2 layer MP+® 10K/10K- Venting leg zips- 2 hand pockets- Reinforced articulated knees- Reinforced kick patch- Silcone grip ankle cuffsSpecifications:- Composition: 88% Polyamide, 12% Elasthanne- Renforts: 50% Polyester, 46% Polyamide, 4% Polyuréthane- Doublure: 72% Polyester, 28% Elasthanne , Membrane: 100% Polyuréthane- Weight: 570gTechnology:Stretch:- Stretch clothing is intended to move with you without restriction. We developed this technology on many levels in order to have unique features in our products. Whether it is engineered stretch in a woven fabric or the inclusion of elastane to improve the properties of the fabric, our stretch products give you unrivaled comfort in motion.MP+®:- For over 20 years the MP+® membrane has been used by outdoor professionals and is renowned for its breathability, waterproofness and durability. MP+® is a waterproof and highly breathable hydrophilic membrane. The ideal protection for high intensity activities in poor weather and challenging environments.NOOS:- NOOS (Never Out Of Stock), Vertical is committed to its flagship products. NOOS is the certainty of product replenishment whatever the time of year. It is also product commitment, our best-sellers, products guaranteed with long-term continuity.