At 1400 grams, the R3W 115 TI I.R. is the lightest women's high performance alpine ski boot in its class. The 115 is geared for big mountain female skiers who may use " Tech - and/or Alpine bindings and often hike or skin to find their lines. 100% Grilamid, Next Gen 3-Piece Cabrio construction provides the absolute best strength-to-weight ratio for unparalleled performance in a light weight and low mass boot.