ROCK BROS Skull Cap with Glasses Holes Thermal Cycling Helmet Liner Running Beanie for Men Women Fits Under Helmets Black Color:Black MOISTURE WICKING TECHNOLOGY - Keep

MOISTURE WICKING TECHNOLOGY - Keep Cool & Dry with advanced hDc Moisture Management Tech

5 inches long by 7 inches wide

NOTE: Please clean sands in the tube carefully before next time use

Environmental Protection Materials: Whale Fall bike frame bag are made of 100% Recyclable EVA and 100% harmless TPU

ROCK BROS Skull Cap with Glasses Holes Thermal Cycling Helmet Liner Running Beanie for Men Women Fits Under Helmets Black Color:Black MOISTURE WICKING TECHNOLOGY - KeepROCK BROS Skull Cap with Glasses Holes Thermal Cycling Helmet Liner Running Beanie for Men Women Fits Under Helmets Read more ROCKBROS is an original cycling equipment brand, owned by a passionate team whose mission is to provide top quality and comfortable products as well as excellent service. We concentrate on explore the latest cycling trend and create the most functional equipment to all cyclists. Shop the full ROCKBROS line. Enjoy Cycling, Enjoy