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Levitend® are our Polyamide based apparel fabrics. Depending on the intended use, Levitend® can include a mix of other fibers, such as polyester and Elastane. Our goal is to make Levitend® fabrics in full compliance with our strict requirements for sustainability and quality.

Polyamide (Nylon) is a synthetic fiber that creates extraordinarily strong and versatile fabrics with high abrasion resistance, very good resilience to wear and tear, and a high breaking extension.

The Polyamides we use are derived from recycled, bio-feedstock and virgin sources. Please see ‘Polyamide’ for more information about the different choices regarding the origin of Levitend®.

Cutan® is a proprietary Klättermusen waterproof and ventilating technology developed to improve on existing fabrics both in performance as well as sustainability by developing PTFE-free membranes to become fluorocarbon-free in production. Cutan® fabrics are soft, flexible, have great stretch and are fluorocarbon-free. 

Cutan® Super Stretch consists of three layers: an inside layer in polyamide, a waterproof polyurethane membrane in the middle and an outer fabric of polyamide and stretch fiber. The three fabric layers are laminated together into one single fabric. 

Cutan® Stretch RP consists of three layers; an inside fabric in polyester, a waterproof polyester membrane in the middle and an outer fabric of 100% Recycled Polyester (RP). The three fabric layers are laminated together into one single fabric. Cutan® Stretch RP is 100% recyclable.

Durable water repellent - commonly referred to as DWR, is a treatment which creates a water repellent (hydrophobic) surface on a fabric. The water repellent prevents the fabric from becoming saturated with water which both affects the function of the garment and the user experience.

All types of DWR become less effective over time, because of wear, washing and ultra-violet radiation from the sun. This degradation over time requires re-proofing the fabrics which can be performed at home using wash-in or spray-on DWR.

Klättermusen uses DWRs 100% free of fluorocarbons. We were the first outdoor company to completely remove PFOA (one of the most hazardous fluorocarbons) from all garments already in 2008.

Fluorocarbons are commonly used because they technically are effective – however, they are also an endocrine disruptor proven to cause reproductive harm. Fluorocarbons present a growing problem in nature and the outdoor industry which professes to care about nature.

bluesign® is a standard for environmental health and safety in textile manufacturing. The bluesign® organization provides independent auditing of textile mills, closely examining manufacturing processes from raw materials and energy inputs to water and air emissions outputs.

bluesign® helps us to keep control over the supply chain and choose manufacturing partners based on their commitment to safety and environment.

The bluesign® approval on our fabrics means that it complies with the highest standards of consumer safety by using materials and techniques that save resources and minimize environmental impact. Klättermusen has been a bluesign® system partner since 2007.