Lining: polyester
Dual Mesh Missing I thought for sure a newly designed, second-generation Shoei Rider Link system would have the Dual Mesh feature on it, but alas its not there on the new SRL2
The Cyclone's air circulation system, which can be inserted into almost any football helmet, will keep you cool and focused all game long

Specs & Features Revolutionary Patent Pending Technology (GB2113512.4) 3 Sizes to choose from, Small, Medium and Large Optional 2 stage functionality, 2 strategies to achieve maximum Gape Rigid work holding in Stage 1 & Stage 2, split ring is held firmly Micro adjustment, know the limits of how much you can open your choice of Split Ring Controlled Movement full stability of Split Ring during use Stainless Steel 410 J1 Drop Forging Internally spring loaded for easy operation PVD Tialn surface coating Ergonomic hand finished design Designed for hand/grip comfort Lightweight Designed to fit the Toit Leather Sheath (Sold Separately) Environmentally friendly product, no rubber/plastic/silicone handle All Metal design - No plastic to fall off, shrink or get damaged Highly polished surface finish Note: Tools do overlap and sizing may vary depending on shape and sizing of split ring and manufacturer tolerances

What You Need A Sonar Unit I obviously used a Humminbird Helix 7, but you can use just about any unit for this project A transducer meant for ice-fishing A small/medium toolbox to hold the battery (or batteries) and to mount the sonar unit on One or more 12v DC batteries for power The Sonar Unit This project is well suited for any modern LCD/TFT-based sonar unit, so you can take advantage of the many display options, newest GPS, Mapping, and sonar technologies