badass full face modular motorcycle helmets LEM Fiberglass, Motorcycle Helmet Flip Up for Touring, DOT Certified, Release Sun Visor & Removable Liner, Lightweight Street Bike Helmet (Blue, S) Carver : Automotive microbial fabric that keeps you cool and dry in warm weather Covert X Open Face Helmet

Its top handle setup makes carrying it suitcase-style as easy as wearing it

Designed for Casual Water-Repellent Fabric Water-repellent 100% of the polyester and nylon in this product is recycled (excluding trims) Measurements Dimensions: W 51cm x D 15cm x H 35cm (20.1" x 5.9" x 13.8") Volume: 20L Product Features Exterior drop-in pockets have plenty of room for a water bottle, snack, and even a book or two Easy-access exterior pocket for your essentials Interior pocket for small items Snap closure Materials Lining: Face: 100% Recycled Polyester Body: 100% Recycled Nylon

So, I just notched out the PVC pipe until it had the clearance needed

It's the length along your spine, starting at the top at your C7 vertebrae - that bone at the base of your neck that sticks out when you bend your head forward