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Castelli’s new tri kit combines the best of one- and two-piece suits.
Castelli Free Sanremo Tri Suit
$230, Castelli-cycling.com
One-piece tri suits are generally acknowledged as more comfortable—and most importantly, more aerodynamic—than their two-piece counterparts. But two-piece suits have a unique advantage: the ease of taking a quick nature break. The one-piece Castelli Free Sanremo solves this issue with an ingenious design that combines all the benefits of a suit with the convenience of wearing shorts and a top. Available in a short-sleeve version for maximum aerodynamics (save 9 watts at 40 kilometers per hour, according to Castelli) or a sleeveless cut for hot weather, the Sanremo is essentially a pair of shorts sewn to a jersey with a full-length zipper. The aero- and hydrodynamic-friendly pockets are a little tricky to access with their horizontal cut, and the chamois has above-average padding compared to most tri-specific pads but doesn’t feel cumbersome on the run. Even though Castelli offers the same Sanremo construction on the top-end Body Paint suits, Ironman world champions Mirinda Carfrae and Frederik Van Lierde both opted for the Free collection in Kona in 2013.