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Designed, developed, and tested at the base of the Tetons in Jackson Hole, Wyoming, Stio was founded to inspire connection with the outdoors through modern, technical, and versatile apparel. We take pride in building progressive and durable products that meet the demands of the extreme environment we live in. From storm-ready backcountry skiwear to modern flannels and fleece, Stio's technical-meets-lifestyle vibe transitions easily from the epic to the everyday moments of the mountain life.


The all-new Environ XT Jacket is the streamlined, alpine-inspired addition to Stio's bestselling Environ program. Featuring 3L Dermizax® waterproof and breathable fabric, it's durable yet sleek enough to stash in your pack. Cohaesive™ cord-lock technology on the hood and hem allow for one-handed adjustments and two-way underarm zip vents ditch excess heat. Hand pockets are set high for easy access when wearing a pack.

• Dermizax® 3L Waterproof/Breathable
• 20,000mm Waterproofness/10,000 Breathability
• Fully Seam Sealed
• Cohaesive® Cord Locks at Hood and Hem
• Fixed, Adjustable, Helmet Compatible Hood


A layering staple that transitions between town and the backcountry, the Skycrest fuses the style of a button-up shirt with the warmth of a puffy. Featuring a snapfront quilted design with a shirttail hem, and filled with recycled, quick-drying, lightweight Thermore® Ecodown® 60g synthetic insulation, the Skycrest is a solid go-to in the sidecountry kit with crossover style out of ski season.

• Thermore® Ecodown® 100% Recycled Synthetic Insulation
• DWR Finish Sheds Light Precipitation
• Lightweight, Packable, Quick-drying
• Custom Teton Texture Camo Print
• Distinct Quilting and Metal Snaps


A year-round, lightweight baselayer, the Basis Power Wool™ Zip Neck manages moisture during high output activities. Made right here in the USA with Polartec® Power Wool™, the Basis features an innovative construction that combines a layer of merino wool, which has quick-drying and odor resistant warmth and next-to-skin comfort, and a synthetic outer layer that offers extra durability and wicking properties.

• Polartec® Power Wool™ Poly/Wool Blend
• Quick-drying, Odor-resisting Merino Wool
• Polyester Delivers Moisture-wicking Durability
• Year-round, Lightweight, Innovative Baselayer System
• Made in the USA


From backcountry, to sidecountry, to resort, Stio's signature ski pant is designed to handle demanding winter pursuits. Constructed with Dermizax® 3L stretch waterproof/breathable outer, the Environ Pant is a fully seam sealed, all-mountain pant. Abrasion resistant Cordura® kickpatch offers durability and internal boot gaiters keep snow out. MaxVent™ outseam venting provides climate control, while articulated knees and action gusset allow for full range of motion.

• Dermizax® 3L Waterproof/Breathable
• 20,000mm Waterproofness/10,000 Breathability
• Fully Seam Sealed
• Cordura® Kickpatch
• MaxVent™ Outseam Venting