Arc'teryx Rho LT Bottom (Men's) Lifestraw Shell and pocket-bag fabrics are

Shell and pocket-bag fabrics are certified as bluesign® approved

The EXACT FIT Mid is available in three sizes and one back length

Man-made insulation with quick dry times

On-the-Go Storage

This is no ordinary book

Arc'teryx Rho LT Bottom (Men's) Lifestraw Shell and pocket-bag fabrics areThe Rho LT is your lightweight thermal base layer for low and medium output when its cold out. The odour resistant Torrent fabric has a soft, brushed surface that speeds moisture transfer and delivers serious comfort next to the skin. Elastane fibres add stretch and work with the articulated patterning and gusseted crotch for freedom of movement. The waistband is designed for comfort and easy layering, and a smart thigh pocket stashes a smartphone.