Your go-to base layer for cool-weather adventures. The Arc'teryx Rho LT combines lightweight warmth with reliable moisture management, keeping you comfortable during low-intensity outdoor pursuits. Torrent™ fleece with Polygiene® treatment handles odour control, while flatlock seams stay soft against skin. The deep front zip, chest pocket, and tall collar deliver practical comfort—trim fit works seamlessly under layers.
Rho
Thermally efficient base layer with excellent moisture management properties. Has stretch comfort.
Lightweight
High performance, minimalist design that is durable for its weight.
Breathable Material
Allows moisture vapour to escape, helping regulate temperature and elevating comfort inside garment.
Multi-Use
Versatile high performance designs for diverse activities and conditions.
Technical Features
- Moisture-wicking
- Antimicrobial
Construction
- Flatlock seam construction improves next-to-skin comfort
- Torrent™ stretch fleece with Polygiene® manages moisture, provides light warmth and performance stretch, and is brushed for softness
Design & Fit
- Trim fit makes it an ideal layering piece
Fabric Treatment
- Polygiene® treatment provides long lasting odour control
Patterning
- Articulated patterning for unrestricted mobility
- Gusseted underarms for mobility and comfort
Pocket Configuration
- Laminated chest pocket with laminated zip
Sustainability
- Contains materials that meet the bluesign® criteria
- Biocidal Disclosure - This model was treated with an anti-odour biocidal product (Active Ingredient: Reaction mass of titanium dioxide and silver chloride)
- PFAS (Per- and polyfluoroalkyl substances) Compliant
Zippers & Fly Configuration
- Collar zip for improved venting
Materials
- Origin of fabric: TAIWAN
- Origin of dying: TAIWAN
- May release plastic microfibres into the environment when washing
Care
- Machine Wash Gentle Low
- Tumble Dry Gentle Low
- Do Not Bleach
- Wash Dark Colours Separately
- Do Not Dry Clean
- Do Not Iron
- Do Not Use Fabric Softener
- Double Rinse
- Remove Immediately
- Wash Inside Out
