Great Big Betty H Powerlock single locking knee strap

Powerlock single locking knee strap for maximum comfort and ease

Lightweight design

Hyperlite’s Domain Vest is approved by both the US Coast Guard and Transport Canada as a “Life Saving Device”

Channeled bottom for smooth ride

The reinforced pull handle is telescopic and fully retractable

Great Big Betty H Powerlock single locking knee strapGreat Big Betty is a member of our Big Betty family, which is inspired by our best selling Mable line. If you've heard about Big Mable, you know Airhead towable tubes mean business. Likewise, Great Big Betty is a 1 4 person towable tube with a long list of top notch features. Riders love the air cushioned dividers, which provide a secure seated riding experience reminiscent of a cockpit tube. Riders who want a more wild day can turn the tube around