It provides distance

TSR1 drivers feature MMT SpeedMesh shafts that play at under 40 grams in all flexes

which means improved performance

0° Standard Length 32 1/4"

and a localized heat treatment is applied to the impact area to double the durability of the groove

FootJoy Thermoseries Space Dye Midlayer - Grey Putter Grips It provides distanceFor warmth and unrestricted comfort, look no further than this Thermoseries midlayer from FootJoy. Engineered with a stretch fleece jersey knit fabric that provides excellent warmth and heat retention, the seamless shoulder construction allows for total freedom of movement through every swing. Thanks to moisture wicking technology, you can be sure of staying dry and focused from the first tee to the final putt. Complete with FootJoy branding.