JS Modern Keel PG front traction Men's Wetsuits Size Chart Size With over 70 years Men's Wetsuits Size Chart Size Height Height Range Weight Waist Neck Chest Leg Length Body Length S 174 170 175 60 70 76 38 95 68 64 ST 178 175 180 60 75 76 38 95 71 66 MS 174 170 175 65 70 81 39 100 68 64 M 178 175 180 70 80 81 39 100 71 66 MT 183 180 185 70 80 81 39 100 74 68 LS 178 175 180 80 85 86 40 He and Taylor decided to call this model The Gem because of how valuable it is a one board quiver for 9 foot plus board riders that can trim on the nose as easily as it can carve on rail wider based keels which allows it to pivot in a really tight radius High area and depth not only delivers a feeling of control when pushed harder on the open face