Anatomical cut for optimal performance

The Gu Flask for 5 Servings of Energy Gel holds 5-Servings of Energy Gel and includes marks on the back so you can measure your fuel

now the athlete can train it

Transmits via ANT+® technology and Bluetooth® Low Energy technology

Fit: Compressed

Roxy Women's 2mm Syncro Back Zip Springsuit Wetsuit YGroup_8669936877736 Anatomical cut for optimal performanceBoost your next surf session with this sleek, stylish wetsuit. The Roxy Women's 2mm Syncro Back Zip Springsuit Wetsuit is built for durability at an economical price. With super stretchy neoprene and an ultra durable construction, this wetsuit delivers exceptional warmth and comfort in the water. Composition Thermal Smoothie neoprene: Wind and water resistant thermal material that is 16% lighter than standard neoprene. FN Lite neoprene: 16% lighter