What it does: Two of the four models cater to the extremes: the lightweight, slightly draw-biased TSi1 and the meaty, low-flying, ultra-low-spinning TSi4. The two middle models are for most of the market: those whose priority is forgiveness (TSi2) and those looking for playability and shot-making (TSi3). Fitting four player types is nice, but the really neat achievement was finding extra speed. That meant using a special high-strength titanium originally designed for the Mars Lander. The lighter and faster-flexing alloy (ATI 425) means more design freedom to create extra off-centre-hit stability in the TSi2 and moveable weight in the more pear-shaped TSi3. 

Why we like it: The 16-way hosel adjustability might still require a Google search, but because golfers are more different than they are similar, those settings, combined with the four distinctly performing heads and a warehouse of custom shafts, make for many a perfect match. These head shapes are aerodynamically refined, too. But all those technology gains happen without touching the look, sound and feel that are as timeless as ever.

lofts 9, 10, 12 (tsi1); 8, 9, 10, 11 (tsi2, tsi3); 8, 9, 10 (tsi4); adjustable                      

Reviewer profile

“So consistently crisp and clean in every move, every impact. Didn’t have to manipulate anything, almost naturally accelerated.”

– Player comment

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