Product information Brand: ROCKBROS Material: Nylon + Elastane Weight: approx. 61 g / pair Colour: Black Size: S-M, L-XL, 2XL-3XL Features: keep you warm in winter, protect your joints, reflective stripes Suitable for: Cycling, running, basketball, etc. Anti-slip The arm warmers fit your arms very well, each arm sleeve has a silicone strip at the top, the arm/leg warmers are less likely to slip off. Breathable Autumn and winter cuffs detach your arms from the thick jumper, the fabric is highly elastic and breathable to absorb sweat quickly and give you a comfortable experience. Suitable for all kinds of outdoor activities!