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The Arc'teryx Kyanite Baselayer Top is Arc'teryx's warmest base layer, designed for cold days and activities where you're alternating between moving hard and standing still. Polartec Power Stretch Pro fleece stretches with you when you're active, then the brushed interior traps heat during rest stops or when temps really drop.
Polartec® Power Stretch® Pro – 53% Polyester / 38% Nylon / 9% Elastane
Fitted – Arc'teryx's trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably under outer layers.
Articulated Patterning
Zippered Sleeve Pocket
Tanica™ Stretch Fabric Cuffs, Hem, and Collar
Laminated Chest Pocket – Secures small essentials.
Raglan Sleeves
Thumbholes – Help keep sleeves down and make layering easy.