Aqua Sphere Swim Cap - Silicone Swimming Cap for Men & Women - Waterproof, Comfortable, Durable for Pool, Lap Swimming & Triathlon Training

Designed to be worn under the X-O swim cap, the silicone grips help keep the feather weight ultra-flat Compression Cap in place as it improves the hydrodynamic shape of the swimmer's head and hair.

• Designed to wear underneath your silicone competition swim cap for best results
• Shapes hair to improve the hydrodynamic shape of the head and reduce drag
• Made of ultra-flat, feather weight fabric for ultimate comfort
• Silicone grips keep the cap in place
• Approved by FINA to be worn underneath the X-O swim cap

Technologies and Materials:

• Silicone