Performance LS Baselayer | Black

A high collar and half zip foundational baselayer with quick thermoregulation, and meets mandatory kit requirements for ultra-distance races. Ideal for year-round use, long days, and unpredictable conditions.

A foundational layer for cool to cold conditions, the AROW Baselayer uses Pontetorto® Tecnostretch—an Italian fabric engineered for warmth, stretch, and moisture control. Weighing just 200g, it’s ultra-light, fast-drying, and packable, with a brushed inner for comfort and a smooth outer for clean layering.

The high collar and half zip offer quick thermoregulation, and it meets mandatory kit requirements for ultra-distance races—ideal for year-round use, long days, and unpredictable conditions.

Features

• Meets mandatory kit requirements for ultra-distance races - ideal for year-round use, long days, and unpredictable conditions.
  
• Constructed from Italian Pontetorto® Tecnostrech recycled technical knit fabric
  
• Half zip front for airflow adjustment
  
• High collar for protection and warmth
  
• Slightly fitted cut designed for performance layering
  
• Fast drying, breathable and moisture-wicking
  
• Tonal Chance logo on chest

Fabrics

• The AROW Collection is the result of a local supply chain of designers, pattern-makers and seamstresses who produce high-quality garments in working conditions that are a world away from typical sporting apparel manufacturers.
• Cut, sewn and finished at Petratex, Portgual - at the very forefront of sports apparel tech globally.
• The AROW Baselayer uses Pontetorto® Tecnostretch—an Italian fabric engineered for warmth, stretch, and moisture control.
• Weighing just 200g, it’s ultra-light, fast-drying, and packable, with a brushed inner for comfort and a smooth outer for clean layering.

Sizing

• The AROW Baselayer is standard fit, and a unisex product - we'd advise women to choose a size down (so if you usually wear a S, take an XS).
• Guillem 173cm and 61kg and wears an S