No matter what the weather throws at you, The Dual Layer Tube will keep you comfortable and charging all day long. Constructed with a temperature-regulating TREO fabric exterior and a seamless PERFA dual-layer mesh liner for added warmth without compromising breathability, the Dual Layer Tube ensures that you stay warm in the most extreme environments.

• One size fits most adults – Head Circumference: 21 – 23.75 , Crown Length: 7.25 – 9.26
• TREO is a breathable, 4-way stretch fabric that is both freeze-resistant and abrasion-resistant, featuring a soft-touch, next-to-skin feel for comfort. Its construction ensures optimal thermal regulation and moisture management, with UPF50+ rating.
• The wind-rated PERFA dual-layer linner offers enhanced warmth and protection from the elements, effectively minimizing windburn.
• Versatile design with multiple wearing applications.
• Dimensions: (approx.) 16 (L) x 10 (W) inches.
• Fabric Content: 80% Polyester, 20% Spandex

• Technology 

  • TREO: The cornerstone of BlackStrap s lightweight fabric technology. TREO is a Breathable, performance knit synthetic blend with 4-Way Stretch, Quick-Dry, and has Odor-Free attributes. TREO is highly Abrasion-Resistant with a Soft-Touch next-to-skin feel. Treo is also Machine Washer and Dryer Safe, Moisture-Wicking, Lens-Safe, and features SpectraUV (UPF 50+).

  • Spectra UV: All BlackStrap fabrics have been tested to ensure the highest rating in the market, 98% UV Protection (UPF 50+).

  • DriFlo: Unlike traditional fabrics, which trap sweat between the skin and your clothing causing you to feel hot and uncomfortable, BlackStrap s Dri-Flo system is a Moisture-Wicking technology designed to ensure your sweat evaporates from your skin allowing for optimal temperature regulation.