Take the guesswork out of layering as you head out for a bike ride. The 4U bamboo arm sleeves turn your T-shirt into a long-sleeve in just a few seconds. Super compact and light to fit easily in a jersey pocket. They're so comfortable you’ll want to wear them even when you’re not cycling. Travel lighter, and stay warmer!

Features:

• Made of antibacterial and sustainable bamboo fabric
• Hidden thumb-loop for extra hand coverage
• Useful for a variety of outdoor activities
• Subtle branding
• Shade your arms from the sun
• Compact when folded – 5x4x9cm / 1.8x1.5x3.6"
• Light weight – 60g / 2oz
• One-Size Fits Most – 19.7” (55cm) wrist-to-armpit length
• Compression fit